'X-Men' star reveals a time she accidentally took a sleeping pill before filming a scene for 'The Hunger Games'
A game of War turned into psychological water-warfare on 'Tonight Show'
Singer also talks upcoming season of 'The Voice' on 'Tonight Show'
'Tonight Show' host lays down onstage with singer in solidarity after accidental slip-and-fall
Rapper says his father still hasn't heard 'Views'
Roots drummer moves from kit to guest chair on 'Tonight Show'
Actor and 'Tonight Show' host deliver shot-for-shot remake of "Too Much Time on My Hands"
'Tonight Show' host recounts absurd tale in funny, touching tribute
Jimmy Fallon, Chris Rock, Maya Rudolph, Haim and more join icon onstage during impromptu February 2015 performance
Comedian slips on wig to interview Cruz ahead of real 'Tonight Show' appearance
Rapper-actor "revisits" little-known voiceover career, adds crude remarks to kids' cartoons
Roots guitarist Captain Kirk Douglas lends guitar solo to charming tribute
"What fascinates me is metal," pop star said of music taste in 2008
Late-night show gets 'Full House'-styled makeover with help from theme writer Jesse Frederick
'Tonight Show' host pledges to make America and 'American Idol' great again