Angel Porrino's Birthday Celebration At Gallery

Holly Madison, Angel Porrino and singer Josh Strickland attend Porrino's birthday celebration at Gallery Nightclub at the Planet Hollywood Resort & Casino on May 14, 2011 in Las Vegas, Nevada.

Credit: Wire Image

Audrina Patridge's Wet Republic Birthday Party

Showing up for a belated birthday bash in her honor, Audrina Patridge was the picture of perfection at the Wet Republic pool in Las Vegas on Saturday afternoon (May 14).

The former "Hills" hottie stripped down to a multi-colored bikini as she and a group of friends hit up the MGM Grand locale to celebrate her 26th birthday (which was actually on May 9).

Credit: Celebrity Gossip

Kendra Wilkinson At Cheryl Burke's Birthday

Kendra Wilkinson at Cheryl Burke birthday celebration with Dancing With The Stars cast held at BoHo Restaurant on May 2, 2011 in Hollywood, California. Also pictured, Hank Baskett and Cheryl Burke.

Credit: Wire Image

Kourtney Kardashian's 32nd B-day Celebration

Making for a premature celebration, Kourtney Kardashian rang in her 32nd birthday in Las Vegas, Nevada on Friday night (April 15).

Joined by babydaddy Scott Disick, the "Keeping Up with the Kardashians" cutie's b-day bash coincided with the grand opening of Gallery nightclub at Planet Hollywood Resort and Casino.

Credit: Celebrity Gossip

Hugh Hefner Celebrates His 85th Birthday

Hugh Hefner celebrates his 85th birthday at the Playboy Club at the Palms Casino Resort April 9, 2011 in Las Vegas, Nevada with Anna Sophia Berglund and fiance Crystal Harris. Also pictured, Samantha Crawley, Cooper Hefner, Marston Hefner, and Claire Sinclair.

Credit: Wire Image

Britney Spears 27th Birthday Pictures

Britney Spears 27th Birthday Pictures

The pictures of Britney Spears performs on her 27th Birthday a song from her new album Circus for Good Morning America in New York, NY picture.

Britney Spears 27th Birthday Pictures

Britney Spears 27th Birthday Pictures

The pictures of Britney Spears performs on her 27th Birthday a song from her new album Circus for Good Morning America in New York, NY picture.

Brooke Hogan 21st Birthday Pics

Brooke Hogan 21st Birthday Pics

The pics of Brooke Hogan celebrating her 21st birthday with her dad Hulk Hogan and stripper at the Pure Nightclub inside Caesars Palace Resort Casino pics.