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Alyssa Milano, David Arquette

It's hard to imagine David Arquette with anyone other than his ex-wife of 11 years, Courteney Cox, but he did have a brief fling with "Who's The Boss?" star Alyssa Milano in 1991. The twosome even attended the Hollywood premiere of "Bill and Ted's Bogus Journey" as a couple. Although he and Cox split in 2010, Milano is still going strong with her husband of two years, David Bugliari, and they welcomed a son last August.

Who Knew They Dated?!

Courtney Love and Ed Norton? Tom Cruise and Sofia Vergara? Take a look back at some famous couples you might not remember. - By Kathleen Perricone and Lizbeth Scordo, omg!