Unless the dress code for Leonardo DiCaprio ‘s French fete was, “baby ballerina chic,” Selena Gomez is awkwardly dressed. Getaway star go “sweet” when every other guest went “sexy” but she just turned 22! What’s with the high school haute couture? The Christian Dior piece even has a crest stuck to the chest like some kind of super fancy school uniform. The “Come & Get It” singer is mixing too many metaphors. She’s a bad ballerina on bottom and a good girl from the ’20s on top?Being a 20-something is incredibly confusing. Apparently it’s started to affect Selena’s style, in addition to her love life…