BABS SINGS ON SEX WITH BEATTY

Explosive admission throws grenade into both their marriages

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Streisand insists she remembers sleeping in a bed with Warren but is blocking out "certain things"

BIG MOUTH Barbra Streisand has stunned fans by dishing eyebrow-raising details about a steamy rendezvous with Warren Beatty, and both their spouses are flipping out over her NSFW confession, sources tell GLOBE!

In a bombshell new interview, the A Star Is Born diva, 83, shockingly recounted that she doesn’t remember whether she and longtime friend Warren Beatty, 88, ever had sex back in the day.

“I know I slept in the bed with him, but I can’t remember if we actually had penetration. I swear to God, I can’t. There are certain things I block out,” Streisand told The New Yorker.

Now tipsters tattle this truth-bomb is threatening to implode both her and Warren’s marriages!