Singer and late-night host lip-synced to "Into You" while testing out various filters
Duo united on 'Tonight Show' for hopeful "Love Make the World Go Round," dedicated to victims of Pulse shooting
Teenage singer-songwriter's sophomore album 'Illuminate' will be released in September
Folk band to launch tour in support of ninth album, 'True Sadness,' in July
Houston Texans star and host smash eggs against their heads in not-so-deadly game
Rapper performed a '30 Rock'-inspired remix of latest single "Dance Off"
Actor ate candy (Pop Rocks!) for the first time since 1989 on 'Tonight Show'
Singer tells hilarious tale about aftermath of eating weed lollipop before awards ceremony on 'Tonight Show'
Samantha Bee, Stephen Colbert and others attempt to make sense of tragedy
Commander-in-Chief said Sanders pushed the Democratic Party, made Clinton "a better candidate" on 'Tonight Show'
Singer also writes about being "speechless" meeting fellow 'Tonight Show' guest Barack Obama
"Commander-in-Preach" surveyed eight years of accomplishments during hilarious installment of "Slow Jam the News"
Twangy duo trade embarrassing stories from FMyLife.com, including dentist visit gone awry
Pair turn "Friends in Low Places" into "Friends on All Bases" for soldiers for Fleet Week
'X-Men' star reveals a time she accidentally took a sleeping pill before filming a scene for 'The Hunger Games'