Throughout the rest of the show, Timberlake was his usual silly self as he kept trying to take over the show! LOLz! With dancing like that, he'll make a GREAT cohost!
The proud dad then spent most of the interview gushing about his "genius" son Silas! Even though the little guy isn't even two yet, JT couldn't stop talking about how "rad" he is — especially since they dressed up as Trolls characters for Halloween!
Ch-ch-check out Justin's incredible interview as well as the celebs facing off in a game of 5 Second Challenge with special guest Mario Lopez (below)!
Justin sings Cher and goes head to head against Ellen in 5 Second Challenge: