Actress Pamela Anderson surprised Playboy entrepreneur HUGH HEFNER on his 82nd birthday with a naked lapdance.

The star - who has appeared on the cover of the publication 12 times - gave the media mogul the unique gift during celebrations at the Palms Fantasy Towers in Las Vegas on Saturday (05Apr08).

As Hefner walked into his luxury suite, Anderson, 40, emerged from a bedroom in nothing but high heels and proceeded to perform a the seductive routine for him.

George Maloof, who owns the hotel, says, "He was stunned and had the biggest smile I've ever seen." (JC/WNTSU/LR)

Copyright 2008 WENN