Hef Tells Twin Girlfriends Apart – Thanks to a Mole!

How can Hugh Hefner tell 19-year-old twin girlfriends Karissa and Kristina Shannon apart? At Monday's Sports Dream Celebrity Poker and Pool Party in L.A., he pointed to a mole on Karissa's neck. "That's it!" he told Usmagazine.com at the event. His third girlfriend Crystal Harris also "can tell the difference between [Karissa and Kristina] and they can tell the difference because they know the other one is not her!"

Look back at all the women Hef's dated over the years

Hefner, 83, also confirmed another season of E!'s Girls Next Door is in the works – with his new lady loves. "Oh, yes! You are looking at part of the cast here," he said, pointing to his girlfriends. "We are going to have a lot of fun." See photos of the Girls Next Door stars through the years What can viewers expect? "Fun and games!" he told Us. "They will be going to Las Vegas on Friday and we will be joining them on Saturday." (He added that they plan to watch ex Holly Madison in the Vegas show, PEEPSHOW.) As for his other ex, the pregnant Kendra Wilkinson — who wed June 27 at the Playboy Mansion? See exclusive photos from Kendra's wedding "I think she will be a good mom," Hef told Us, "because she is a good lady."

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