Ariana Grande and Jimmy Fallon deliver full-out performances of famous covers by Lady Gaga, Rosé and more on 'The Tonight Show.'
Scott Kelly chats with ET about his experience meeting the Jonas Brothers and his 'Tonight Show' appearance.
Jonathan Bailey reacts to being 'People's 'Sexiest Man Alive' during his cover reveal on 'The Tonight Show Starring Jimmy Fallon.'
Taylor Swift set the record straight on NBC's 'The Tonight Show Starring Jimmy Fallon,' addressing Super Bowl rumors and more.
Taylor Swift appeared on Monday's episode of 'The Tonight Show' and went through a list of rumors about herself with host Jimmy Fallon
ET is on set of 'On Brand With Jimmy Fallon,' where he and Bozoma Saint John are showing us behind the scenes of the competition show.
'Jimmy Kimmel Live!' returned on Tuesday night, and CNN Chief Media Analyst Brian Stelter explains what it all means for late night.
Jon Stewart, Seth Meyers and Stephen Colbert celebrate Jimmy Kimmel's return to TV, six days after his show was suspended by Disney.
Late-night hosts Jon Stewart, Jimmy Fallon, Seth Meyers and Stephen Colbert react Thursday to the suspension of 'Jimmy Kimmel Live!'
Travis Kelce shares rare insight into wedding planning with Taylor Swift on 'New Heights' with Jason Kelce and guest Jimmy Fallon.
On NBC's 'The Tonight Show,' Margaret Qualley chatted with Jimmy Fallon, and the results were... unhinged.
Lin Manuel Miranda and Jimmy Fallon perform a ‘Hamilton’ medley on ‘The Tonight Show,’ as the Broadway celebrates its 10th anniversary.
Colbert was joined by late-night heavy hitters Jimmy Fallon, Andy Cohen and more, following news of his 'Late Show' cancelation.
Stephen Colbert takes aim at President Donald Trump in his first show back since news of 'The Late Show's cancelation on Thursday.
