b'Jojo Siwa has a new look after years of rocking her signature ponytail, Nick Cannon talks his decade-long feud with Eminem and Missy Elliott releases a new music video. This is Billboard News Now, \\xa0rounding out the top news stories in music for Wednesday, April 22nd.\\xa0\\n\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'