Sierra Haschak

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 attends University of Southern California .

She and her sisters run the Haschak Sisters YouTube channel, which has amassed over 9 million subscribers. She has attended the University of Southern California.

Her sisters are Madison , Gracie and Olivia Haschak and her parents are Kathy and John Haschak .

She and her sisters did a cover video together of Mark Ronson 's "Uptown Funk."