Pam Anderson celebrated her 44th birthday this weekend in Las Vegas -- and did it wearing something most 44-year-old mothers of two would never wear.

In typical Pam fashion, she showed up to Chateau on Saturday night wearing a crazy short, lacy, lingerie-inspired number with a corset putting her famous assets on full display.

Pam and a group of over 40 friends celebrated inside the club's VIP area, where they sipped on Grey Goose vodka and Ace of Spades Champagne. Pam also looked pretty excited about her pink and black birthday cake.

Though she partied over the weekend, her birthday was actually on July 1.

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