social media February 16, 2016 2:01 am ‘Tight Pants' With Jimmy Fallon, Will Ferrell & Christina Aguilera Jimmy Fallon, Will Ferrell and Christina Aguilera sing about tight pants. One town isn’t big enough for a tight pants love triangle. US & World Videos 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:36 Super dad makes Mario-themed obstacle course for son's birthday 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business'