United Kingdom, Aug. 12 -- Rosie O'Donnell found shooting her And Just Like That... sex scene with Cynthia Nixon "horrifying".

The 64-year-old actress made a guest appearance in the third season of the Sex and the City spin-off as Sister Mary, a nun who breaks her vow of chastity to lose her virginity to Cynthia's character Miranda Hobbes, and the comic admitted she was "so nervous" about filming the intimate moment with her good friend.

Speaking to Amy Poehler on her Good Hang podcast, she said: "I was so nervous.

"The kissing wasn't hard, but the laying in bed and the wanting us to act like we had just done it. I was like, 'Uhh.' But I'm a little immature when it comes to that."

Amy replied: "I don't even think that's immature. I've...