Mode Elegant (モードエレガント Mōdo Ereganto) are the alternate forms that the Cures in Wonderful Go! Princess Pretty Cure can change into with the different Dress Up Keys and the Princess Brooches (previously the Princess Perfumes). Each Cure has four different Modes Elegant, the basic Mode Elegant that can be accessed with the basic transformation Dress Up Key and the other three Mode Elegants that are related to their theme powers, but they need their Elegant and Miracle Dress Up Keys to change. Flora, Mermaid, Twinkle and Scarlet are able to perform individual and group attacks with the Princess Brooch and the Miracle Princess Rods to purify Kurobots. Miracle Harmony uses her Musical Module and the Musical Crystal Rod to perform her attacks.
This is Cure Flora's basic Mode Elegant which was first seen in episode 1 of the prequel and episode 2 of the sequel. To access it, she needs her Princess Perfume (later her Princess Brooch) and her transformation Dress Up Key. In this form, Flora uses the power of flowers, as she uses it in her Cure form. When she turns into this Mode Elegant, her dress becomes longer. It only changes the lower part of the dress, as it has three layers, the first layer is held by four flower like ribbons, three at the front and one at the back, the second one is a magenta-colored short layer that covers a little bit of the third layer, which is white-colored. When Cure Flora is in this mode, she can perform Floral Tourbillon (later Flower Spiral).
Mode Elegant Rose
This is Cure Flora's second Mode Elegant which first appeared in episode 11 of the prequel. To access it, she needs her Princess Perfume and her Elegant Rose Dress Up Key. This Mode Elegant's theme is roses. In this form, Flora's chest flower brooch changes into three little roses with some leaves, the big ribbon with the Princess Pretty Cure emblem changes into a ribbon with a golden rose in the middle, and the big flowers holding the dress first layer change into big red roses with pink and green leaves, the second layer is now white, and the last one is rose-colored, and Flora's earrings change into roses. When Cure Flora is in this form, she is able to perform Trinity Lumiere alongside Cure Mermaid and Cure Twinkle with the Crystal Princess Rod.
Mode Elegant Lily
This is Cure Flora's third Mode Elegant which first appeared in episode 18 of the prequel. To access it, she needs her Princess Perfume and her Miracle Lily Dress Up Key. In this form, Flora's outfit becomes darker pink and the bow on the top now has a lily in the center with dark pink and white petals appearing in front like a ribbon. The bow on her waist turns from red to white with a lily in the center. The layers of her skirt are now light pink and white and the flowers on it are now lilies. The flowers on Flora's gloves and her earrings have also changed into lilies. When Flora is in this form, she is able to perform Trinity Explosion alongside Mermaid and Twinkle with the Crystal Princess Rod.
Cure Mermaid needs her Perfume (later her Brooch) and her transformation Dress Up Key to turn into the basic Mode Elegant, in which it first appeared in episode 2 of both the prequel and the sequel. In this Mode Elegant, Mermaid uses water-based powers. In this mode, Mermaid's mini skirt changes into a long skirt colored light blue with dark blue and white trims on the dress' frills. It has a pink pearl like belt at the top with a navy blue decoration. The upper part of Mermaid dress remains the same. In this mode, Cure Mermaid has the ability to perform Mermaid Ripple (later Ocean Shower).
Mode Elegant Ice
This is Cure Mermaid's second Mode Elegant which was first seen in episode 11 of the prequel. To access it, Mermaid needs the Princess Perfume and her Elegant Ice Dress Up Key. This Mode Elegant theme is ice. In this form, Mermaid's dress changes her top and her skirt. The part of the dress that covers the shoulders incorporates three layers in different blue tones. The golden brooch turns into a white snowflake and the top is decorated with some ice-based decorations. Mermaid's earrings turn into little ice crystals and a necklace made of the same ice crystals adorns her neck. The skirt turns into an ice blue color, and the frills are colored in a darker blue, there is also a transparent thinner frill decorated with ice crystals. With this Mode Elegant, Mermaid can perform Trinity Lumiere alongside Flora and Twinkle with the Crystal Princess Rod.
Mode Elegant Bubble
This is Cure Mermaid's third Mode Elegant. It was first seen in episode 18 of the prequel. To access it, Mermaid needs the Princess Perfume and the Miracle Bubble Dress Up Key. In this form, Mermaid's sleeves become puffy, blue and see-through. The brooch becomes bubble-shaped and the pink pearls that run along her top are light blue. Her collar becomes bigger and more rounded. Her earrings are bubble-shaped and they dangle. Her skirt loses the ruffles around it and becomes dark blue with a green gradient toward the bottom. The bottom part of the skirt is light blue and is decorated with light blue bubbles. With this Mode Elegant, Mermaid can perform Trinity Explosion with Flora and Twinkle using the Crystal Princess Rod.
Cure Twinkle's basic Mode Elegant that first appeared in episode 4 of the prequel and episode 2 of the sequel. In order to transform into this Mode Elegant, Twinkle needs the Princess Perfume (later her Princess Brooch) and her transformation Dress Up Key. When she turns in this form, only her skirt changes, which becomes longer. In the upper part, Twinkle keeps the upper skirt that also appears in her Cure form. A long yellow dress surrounds her. And under the yellow layer is a dress layer composed by different tones of purple and white as some stars and jewels clips hold the yellow layer. In this mode, Cure Twinkle can perform Twinkle Humming (later Star Sparkle).
Mode Elegant Luna
This is Twinkle's second Mode Elegant, which she first used in episode 11 of the prequel. To turn into this Mode, Twinkle needs the Princess Perfume and the Elegant Luna Dress Up Key. The golden brooch turns into a moon with a star in it and Twinkle's earrings turn into crescent moons. The top sleeves become longer and a kind of mantle covers her back. The star and the jewel clips change into some crescent moon clips that connect the two sides of the yellow layer of the dress, under it the purple layer now is blue colored. When she is in this mode, Twinkle has the ability to perform Trinity Lumiere with Flora and Mermaid with the Crystal Princess Rod.
Mode Elegant Shooting Star
This is Cure Twinkle's third Mode Elegant. It was first seen in episode 18 of the prequel. To access it, Twinkle needs the Princess Perfume and her Miracle Shooting Star Dress Up Key. The top part of her outfit gains a yellow and purple-striped lining and her brooch turns into a star shape. Her belt turns purple and the star in the center turns orange. Her sleeves become a little longer and gains an orange and light yellow-striped design. Fuchsia stars dangle from the ends of the top part of her skirt and the bottom now has layers of different shades of purple. Two more fuchsia stars pin the yellow part of the skirt on each side, revealing a light yellow-colored layer. Her earrings resemble upside down shooting stars. In this mode, she can perform Trinity Explosion with Flora and Mermaid using the Crystal Princess Rod.
Mode Elegant Phoenix
Cure Scarlet's first Mode Elegant which first appeared in episode 22 of the prequel. In order to transform into this Mode Elegant, Scarlet needs the Princess Perfume and her transformation Miracle Phoenix Dress Up Key. When she turns into this form, only Scarlet's skirt changes which becomes longer. Scarlet keeps the upper skirt that also appears in her Cure form. The red part of the skirt that formerly covers only one part now covers both sides and becomes longer, while the ragged white part of the short skirt now becomes a full underskirt with a red layer skirt on top. In this mode, she can perform Phoenix Blaze using the Scarlet Violin.
Cure Scarlet's second Mode Elegant which first appeared in Episode 2 of the sequel. In order to transform into this Mode Elegant, Scarlet needs the Princess Brooch and her transformation Dress Up Key. When she turns into this form, only Scarlet's skirt changes, which becomes longer. Only the ragged white part of the skirt grows longer. In this mode, she can perform Fire Shoot.
Miracle Harmony's basic Mode Elegant that first appeared in episode 6 of the prequel. In order to transform into this Mode Elegant, Harmony needs the Musical Module and her transformation Dress Up Key. When she turns in this form, only her skirt changes, which becomes longer. In the upper part, Harmony keeps the upper skirt that also appears in her Cure form. A long purple dress surrounds her. And under the purple layer is a dress layer composed by different tones of black and white as some music notes and jewels clips hold the purple layer. In this mode, Miracle Harmony can perform Musical Blizzard.
Mode Elegant Melody
Mode Elegant Rhythm
Mode Elegant Music
Mode Elegant Primavera
This is a special Mode Elegant that the three main Cures obtain in Pretty Cure All Stars: Haru no Carnival♪. To access it, the Cures need their Princess Perfume and the All Stars Dress Up Key. The dresses are the same as their basic Mode Elegants but with some changes in the details and the ornaments of the dress. Flora's dress has only two layers, a pink one and a white one, and the flowers in Flora's dress now turned into 6 heart-shaped crystals with different colors. Her golden brooch is now also heart-shaped and the flower on her chest, the earrings and the crown's flower are also heart-shaped. Mermaid's long skirt has pink and yellow heart ornaments around it, and the pink pearl decorations now are heart-shaped, the golden brooch, the blue pearl in the crown and the earrings are also heart-shaped. Twinkle's dress doesn't change too much. The golden stars and the violet jewels on the dress turn into hearts, the little star in her orange belt also changes into a heart, and the crown's star, the earrings and the golden brooch on her chest do so as well.
Mode Elegant Premium
This is a special group Mode Elegant that the all four Cures can use, obtained in episode 30 of the prequel. To access it, the Cures need the Music Princess Palace and their respective Premium Dress Up Key. (Sakura, Sango, Ginga, and Sun). The dresses are turned into full white layered dresses with the number of layers for each Cure retained and a yellow hem for the second layer, while keeping the top part design, and decorated with bows with trailing ribbons in their respective theme colours and a ribbon brooch in the Cure's respective theme colour with the frills in their theme colour as well, a white bow with the Pretty Cure insignia at their waists, as well as wearing silver chokers decorated with one gem representing their respective theme, and small gemstones in their theme colour. Their hair become much longer with the main colour becoming richer in shade, and is covered with their respective theme, they now wear earrings with gold-surrounded gemstone in their theme colours and their key theme dangling from it, and their crowns all changed to the crown that represented the Trinity attacks, covered with gemstones in their theme colours. Flora's earrings' changes to a pink gemstone with a sakura flower dangling on each, the brooch's flowers changes to sakura flowers, her choker's flowers has changed to a single sakura flower, and her hair is covered with sakura flowers and now reaches her knees. Mermaid's earrings changes to a blue gemstone with a small light pink pearl dangling on each, her brooch and bows changes to dark blue pearls, she now wears a choker with a small pearl in the middle in place of the high collar, her hair is covered with bubbles which is now the bottom length is actually long enough that it is completely trailing behind her, and her dress is less puffed out. Twinkle's earrings changes to a purple gemstone with a eight point star dangling on each and has an eight-point dark orange ones as the bows and brooch, her choker is switched with one that has a five-point light yellow star in the middle, her hair is covered with yellow normal stars and now has a second pair of pom-poms tying them up, and the bottom layer of her dress is decorated with normal orange stars. Scarlet's ruby earrings changes to a red gemstone with sun-shaped stones dangling on each, her gold and light pink top is replaced with a top while retaining the feathers and armband design, with the armband becoming part of the long sleeves she has, and similarly to the other Cures, has a red brooch with a sun design in the middle, her choker is switched with a single sun-shaped stone in the middle, and the bottom of her dress is decorated, and her hair covered, with four-point stars, and now reaches her thighs.
In this mode, the Cures are able to perform the group finishing attack Éclat Espoir.