Click through our Birthday Babes gallery to find out when your favorite celebs celebrate their big day this year!
Ellen may have had a star-studded selfie, but Jimmy was going for gravitas.
Jimmy Kimmel rates himself as a dad.
Joseph Gordon-Levitt masters 'David After Dentist.'
Nene Leakes reveals what experience she brings to 'Dancing With the Stars.'
Jimmy Kimmel is helping to remedy all those tears shed on 'The Bachelor.'
Jimmy Kimmel's going to be a dad again and you won't believe what he wants to name his new child.
WATCH: Clooney, Damon Read 'Mean Tweets'
Ashton To Charlie: 'Shut the F*** Up!'
'Bachelor' Takes Polygraph Over Premarital Sex
WATCH: Sofia Vergara Slaps Jimmy Kimmel!
Ron Burgundy Performs With Christopher Cross
Benedict Cumberbatch Recites R. Kelly Lyrics
Buzzmakers: Rob on Jenner Split & Kanye Makes Nice
