Look, I dunno who Sophia Grace is outside of Best Friends, and I’m happy to let the mystery be a mystery. She owns a dope pop-rap beat which bites DJ Mustard’s flair better than Fancy, putting together a flawless example of the genre, all in undeniably good fun with a charming friends 4eva sentiment. Sophia Grace could crush Big Sean on an IDFWU remix when she’s old enough to cuss.