It was two against one in the latest “Tight Pants” showdown on The Tonight Show this week.

Christina Aguilera and Fallon’s fellow SNL alum Will Ferrell faced off against the talk show host in his running skit about whose white pants are the tightest.

The best part: watching Jimmy Fallon try to keep a straight face.


WATCH: Celebrities dramatically read Bieber’s ‘Sorry’
17 bad things that have already happened to Meredith Grey
Now Kanye is saying that misogynstic lyric was actually Taylor Swift’s own idea