Mystery Drink Challenge! (MattyBRaps vs Sierra Haschak)

MattyB sits down with Sierra Haschak to go head-to-head in this week&Mystery Drink Challenge! While MattyB feels confident he&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 Main Channel Vlog Channel Twitter Facebook