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Janeane Garofalo has been a married woman for the past 20 years -- and didn't even know it.

The comedian recently revealed that she wed producer Rob Cohen in Las Vegas as a joke in the 1990s, not realizing it was for real. At a New York Comedy Festival reunion for The Ben Stiller Show, she explained, "We got married drunk in Vegas... We dated for a year, and we got married at a drive-through chapel in a cab. [We thought] you have to go down to the courthouse and sign papers and stuff, so who knew? We were married, and apparently now that [Rob] is getting married for real, his lawyer dug up something."

The two got divorced Saturday. Rob, who was a writer on The Ben Stiller Show, is engaged to Jill Leiderman, a producer on Jimmy Kimmel Live. 

Source: New York Post