The awkward encounter happened when he walked into the room before she appeared on his night show on Tuesday, February 1, reports the Daily Star.
He quipped, "I'm pretty sure I knocked first... There was a moment there where I walked in on Jennifer Aniston, who had her pants about halfway up. It's the greatest thing that ever happened to me."
Aniston said, "I even got a victory dance out of you... I loved it." (ANI)