Mystery Drink Challenge ( Matty BRaps vs Sierra Haschak)

SUBSCRIBE MattyB sits down with Sierra Haschak to go headtohead in this week s Mystery Drink Challenge While MattyB feels confident he s got this one won, Sierra has plans of her own. If you like this vid and want to support these vlogs, be sure to do the following: SUBSCRIBE, LIKE, FAVORITE, COMMENT and SHARE this video with your friends on Facebook, Twitter and Instagram That helps a lot Keep following your dreams OFFICIAL MATTYB LINKS MattyB Gear Store http:,