She was on James Charles' YouTube channel and she revealed that the JoJo Siwa brand is a billion dollar brand. JoJo herself isn't worth a billion but her brand is, which is insane regardless. It is all done through nickelodeon and deadass you can get everything you need.  They start talking about branding and stuff from 8:42 - She also has the number one girls bedding in Target and number two kids bedding behind Star Wars or something - Her toys outsell her bows and if y