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

Who knew December 18 would be such a huge day for celebrity birthdays?

Two of our five featured celebs are acclaimed actors (and form parts of huge Hollywood power couples). One has been nominated for a dozen Grammys and sold 42 million albums. Another was nearly stripped of her Miss USA crown after cocaine and alcohol abuse (plus girl-on-girl action). The last raps and has been arrested like 79 times.

Posted in: Brad Pitt