While Britney Spears went clubbing and performed in Montreal, the former Mr. Britney Spears rang in his 31st birthday when the clock struck midnight.

He celebrated by raking in a cool $5,000 for the week to watch his own kids.

Posted in: Kevin Federline

In terms of natural beauty, talent and personality, few celebrities can compare to the lovely Carrie Underwood in our minds. It's only natural, then, that of all the celebrity birthdays out there, this is one we're pretty excited about.

Our favorite American Idol turns 26 today. Happy birthday, Carrie!

Posted in: Carrie Underwood

Former Sex and the City (and unwilling amateur sex photo star) Kristin Davis turns a staggering 46 today. Yeah. Suffice it to say, she looks pretty unreal.

Here's hoping Kristin - who was totally our favorite on the HBO show we said we only watched because our significant others made us - a special day.

Posted in: Kristin Davis

Two beautiful women who entertain us greatly but you would probably never want to hold the nation's nu-cu-lar codes celebrate birthdays on this 11th of February.

First, give it up for Alaska Governor Sarah Palin! The former GOP V.P. candidate and mother of Track, Trig, Willow, Piper and Bristol Palin remains near and dear to us.

Posted in: Aubrey O'Day

A number of celebrity birthdays make this 17th of January a very special occasion for The Hollywood Gossip. After all, who would expect that the following stars (and we're using the term loosely in some cases) would share a day of birth?

People of all ages and walks of life, such as ...

Posted in: Kid Rock

Ever since she was invited to move into the Playboy Mansion and become one of Hugh Hefner's seven girlfriends in August 2001, Holly Madison has become an institution at the men's magazine, both in print and on TV - and to the delight of many!

She's risen to fame along with Kendra Wilkinson and Bridget Marquardt, and although she broke up with Hef - Criss Angel of all people is now seeing Holly Madison naked - we'd like to wish his former #1 girlfriend a happy 30th birthday!

Posted in: Holly Madison

Today's two biggest celebrity birthdays have next to nothing in common.

Jordin Sparks won the sixth season of American Idol, and almost more significantly, is an idol American girls can actually look up to. Her down-to-earth nature, self-confidence and family-first values make this 19-year-old a rare star in this era.

Posted in: Ali Lohan