“I mean, we would have Santa of course, we had Mariah Carey ... was the fact that they would host the episode in their onesies. “So comfortable to do a show in a onesie, and we had a chance ...

“I mean, we would have Santa of course, we had Mariah Carey, we would have a choir sometimes.” However, Seacrest determined his personal “highlight” to be the “Christmas onesies” that ...