American movie star Melisa McCarthy spilled the beans on a secret that her good friend Susan Sarandon had been keeping for more than 30 years- the Thelma and Louise star once had an affair with pop star David Bowie.

“Melisa totally let the cat out of the bag.” a source close to the star said. “It has been thirty years and Susan has never publicly discussed her fling with Bowie so she was totally shocked when Melisa blurted it out openly.”

The slip of the tongue occurred on February,10. while Melisa was presenting the 67-year-old Oscar winner with a lifetime achievement award at the AARP’s Annual Movies for Grownups Awards Gala in Beverly Hills.

Melisa who plays Susan’s grand-daughter in the upcoming film Tammy was introducing Sarandon when she said: “Susan is so cool- I mean she dated David Bowie.”

“In putting it out like this, Melisa  dropped it like a bombshell and meant no malice at all.” said the showbiz insider.” There only thing about her remarks was that there was a huge room full of other celebs and cameras rolling. Thankfully Susan was not upset with Melisa, but she wished her old affair with David Bowie had remained private.”

The audience appeared stunned by the revelation -including Susan’s two kids. According to the source Susan and David both 67, courted briefly when they filmed the 1983 vampire flick ‘The Hunger’.

“This affair happened a very long time ago when Susan and Bowie were both young and carefree.” adds the source. “Susan has fond memories of the love affair,but throughout the years have kept it private.

Melisa and Susan have become very good friends and that is how Melisa got to know about it.She feels a little embarrassed now as she had no idea that Susan and David’s relationship wasn’t public knowledge.”

The Link:http://www.youtube.com/watch?v=rvrmrpFGldQ – Melisa’s comments begins after 1:12 seconds into the speech.