The Carters cannot be stopped and it seems like they weren't going to let Kanye and Nas have all the fun. They just recently put out a surprise joint album 'Everything Is Love' out of nowhere. And they're on the beginning of their OTR 2 Tour. Well, while Beyoncé and Jay-Z were performing last night in London, the real superstar, their daughter, Blu Ivy, had to cut in and steal the show once again. Someone caught a video of her not only throwing up "the Roc," Jay-Z's infamous hand sign but also teaching her friend how to do it right. If this isn't Beyoncé's child. Check the video below.