Happy Birthday, Heidi Montag!

Today is Heidi Montag's birthday. The cute Colorado girl turned Hollywood fame whore and walking testament to bad plastic surgery is now 23 (going on 45).

As a celebrity gossip site, we reserve the right to taser ridicule Horse Face Heidi constantly, because she and husband Spencer Pratt are uniquely deserving.

But we also must pay tribute to the entertainment she's provided over the years. So without delay, here's a 23-photo tribute to birthday girl Heidi Montag:

Heidi Montag: NailedHeidi Pratt in PlayboyIck!!Spencer and Heidi Celebrate July 4Sad HeidiHeidi Montag Bikini PictureHorsey FaceHeidi Montag Side ActionVomitHeidi in RehearsalHeidi Montag NakedHeidi Montag: Green MachineHeidi StyleStill Best Friends?Lauren Conrad and Heidi Montag PartyHeidi Pratt Playboy PictureMontag MontageI Now Pronounce You ...Spencer PrattHeidi Pratt PaintingA Heidi Montag PicHeidi Montag Nude

Other celebrity birthdays today: Worst mom in history Dina Lohan (57) and British royality / certified hunk Prince Harry (25). Happy birthday (to the latter)!