Style Savvy, known in the PAL region as Nintendo presents: Style Boutique and in Japan as Wagamama Fashion: Girls Mode (わがままファッション ガールズモード^?), is a fashion video game developed by syn Sophia and published by Nintendo. It was released for the Nintendo DS on October 23, 2008 in Japan, on October 23, 2009 in Europe, and November 2, 2009 in North America.

Style Savvy is played by holding the DS sideways, and the game utilizes the clock and date settings on the system. There are 8 locations where the player can buy clothes, accessories, change hair styles, change outfits, and work on their shop by managing items, making ads, and more. In the contest they can compete and stand a chance to win a rare item.

Using the DS Wireless play, players can also visit other players' shops, trade flyers after the Ads and Flyers option is unlocked, or take part in the contest with up to 3 players. The Nintendo Wi-Fi Connection allow players to open their own shop and let other people visit it. They can even download items not available during gameplay.