About Sierra Haschak
Talented dancer who was featured with her three sisters in the MattyBRaps cover video of Kanye West's "Clique."
She has trained as a dancer at Temecula Dance Company in tap, jazz, lyrical, ballet and hip hop.
She and her sisters run the Haschak Sisters YouTube channel, which has amassed over 7 million subscribers.
She and her sisters did a cover video together of Mark Ronson's "Uptown Funk."