A source close to the situation explained:
Bridget Marquardt News Archive
We recently held a FitPerez.com Holiday Partyat The Sports Club in Los Angeles, and it was so much fun!!!!
While we were celebrating with some low-cal Ty Ku and Diet Pepsi, a few celebs joined in on the fun like Mel B, Adrienne Maloof, Kyle Richards, Bridget Marquardt, Jake Pavelka, Jackie Warner, Lo Bosworth, Phillip Bloch and more.
Enjoy the gallery!
[Image via John Scuilli/WireImage]