Top That! A YouTube Challenge Special Edition

YouTube sensation Tyler Oakley and POPSUGAR's Becca Frucht have your weekly pop culture fix - are you ready?! This week we're doing something special. We are counting down our favorite YouTube challenge videos, including: eating a ghost pepper, the chicken nugget challenge with Marcus and Alfie, epic vinegar and baking soda challenge with ReactionResponseKING, Glozell's cinnamon challenge, tin can challenge with Joey Graceffa and Shane Dawson, edward 40 hands with Tyler Oakley and Mamrie Hart, s...