The Team Gwen teens faced off during the kick-off of the Battle Rounds on Monday night (Oct. 21).
The "Happy Days" actor frequently sends notes to other artists he finds inspiring and the response from "Mr. Roll" blew his mind.
Three years ago the singer made her first bid, which yielded no turns.
The always wrong judge doubles-down on his guess from last week in Billboard's sneak peek at tonight's (Oct. 3) "Footloose"-themed episode.
Livestreaming from Berlin, Germany, Bash In Berlin takes place on Saturday (Aug. 31).
The singer also joined Zoë Kravitz and Jimmy Fallon for a hilarious "EW!" bit on Thursday night's (August 22) show.
The singer appeared on The Late Show on Thursday night (August 15) to run the gauntlet of scientifically precise queries.
The K-pop star said she cried when she learned she'd been cast in the HBO drama filming in her native Thailand.
Late night talker Jimmy Kimmel is among the team behind the show that will follow "The Heart of Rock & Roll" star as he navigates his new life after hearing loss.
The authorized doc will hit screens and streaming next month and feature Mariah Carey, Ghostface Killah and Raekwon.
