Social Media Star Hayes Grier Joins 'Dancing with the Stars' Season 21!

Hayes Grier, known for his Vine and YouTube videos, has just announced that he will compete on season 21 of Dancing with the Stars!

The 15-year-old Internet Sensation took to Twitter and told his almost three million followers the great news.

“Start tweeting and retweeting #hayesdwts @DancingABC Love all of you who helped me get here. Go give the video a thumbs up and respond,” Hayes wrote. He announced the news officially on the Challenged app in a video.

“I’m going to go back to bed right now since I have my first rehearsal In a few hours. Keep the hashtags going and trending ! Be back soon ??” Hayes added.

DWTS season 21 begins on September 14!