Ariana Grande is loving her first season as a coach on — especially because her longtime friend, Ed Sheeran, is the season 21 Mega Mentor!As the Knockouts kicked off on Monday, Ariana welcomed Ed to the show, and the pair adorably caught up about the major milestones they've both celebrated in recent years.«You're married now!» Ed remarked, congratulating Ari on her private wedding to Dalton Gomez back in May. «I am!» Ari replied. «You as well»«Yeah, we had a kid!» Ed said with a smile.