Holly Madison let a bomb drop last night!  She was caught off guard by paparazzi – well, not a photographer but one with a video and who took sound bites.  You’ll never guess what made her spill the beans…

More pictures after the bomb….

The photographer for TMZ asked for an invite to the infamous Halloween party at the Playboy Mansion.  Whether it was a joke, real or if Holly truly let it slip, this was her reply:

Biography: Holly Madison: birth name: Holly Cullen; born on December 23, 1979 in Oregan; height: 5 feet 5 (165 cm); Zodiac Sign: Capricorn.   Holly’s best known as Hugh Hefner, the Playboy mogul’s favorite girlfriend on the TV Reality series The Girls Next Door.

photo: PR Photos

Holly’s natural hair color is brunette; she dyes her hair blonde. Her measurements: 36D-23-36.  Natural boobs? No, Holly had a breast augmentation going from a cup A to a cup D!