Today marks the 85th birthday of Playboy founder, Hugh Hefner!!

“You’re as young as the girl you feel,” Hef laughs as he shared how he felt about turning 85.

A weekend-long birthday celebration started with a Friday night screening of Casablanca, Hef’s favorite movie, at the Playboy Mansion. Then he and fiancée Crystal Harris, 24, headed to the Palms Casino in Las Vegas to celebrate at the Playboy Club. Read more after the jump!!

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“I’m a very lucky cat and I know it,” Hef told RadarOnline. “Age is just a number if you’re healthy.”

And 2011 is an especially lucky year for him. “This is the Year of the Rabbit…85 is an iconic number…I took the company private…and in June we’re going to London to open a new Playboy Club Casino. You don’t know how many years you get so living life well is the best that you can do.”

What kind of gift would you by for the man who has everything?

“All I’m looking for is a lot of love and friendship. I think that is what life is all about: emotions and caring,” he says.

Hef, who is getting married for the third time June 18, said that his life “is as good as it appears and better because it has included so much love.”

[Radar]