by Chelsea StewartBuzzFeedBuzzFeed StaffI'm Chelsea, the Weekend Editor at BuzzFeed, where I cover everything from pop culture and politics to TV and celebrity news. As you know, JoJo Siwa has undergone a bit of a personal rebrand in recent years. Steve Granitz / Getty Images Not only did she revamp her style - going from a colorful, bow-heavy Nickelodeon look to a "bad girl" aesthetic and then a more mature, classic vibe - she also changed her name.