The 5 Second Rule Challenge! (MattyB vs Justin)

GET MATTYB CONCERT TICKETS FOR CHARLOTTE HERE: PLUS MattyB & Justin go head to head in this week’s 5 Second Rule Challenge! SUBSCRIBE! After last week’s #PopTartChallenge, MattyB decided to invite his good friend Justin over for a friendly rematch. This time... the boys take on the 5 Second Challenge! Enjoy! ;) Hey BNation! I’m excited to announce that I will be performing LIVE in concert on Sunday, April 3rd at Knight Theater in Charlott