It was a party fit for a King. And a princess and several other royalties for that matter. Prince William, Prince Harry, Princess Beatrice and Princess Eugenie and their boyfriends and girlfriends attended an event for The Henry van Straubenzee Memorial Fund. The soiree turned out to be a raucous burlesque theme which had Prince William and his longtime girlfriend Kate Middleton blushing.

Despite the raunchy hour-long cabaret act in which a stripper put a rose in William's mouth, (he promptly removed it) William and Middleton had the time of their lives with each other.

A guest told People.com that the couple danced with each other through many songs and Middleton had the widest smile on her face and kept looking at William like there was no one else in the room.

The charity event for The Henry van Straubenzee Memorial Fund was named for Henry, a friend of Prince Harry's, who died in a car crash in 2002.

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