While getting quizzed about his rudest celebrity interactions of all time on TikTok.

 The Hills’ Spencer Pratt shocked scores of Friends fans when he singled out Lisa Kudrow.

“Oh, that’s easy — Phoebe from Friends,” he said, responding to a fan’s question on TikTok.

 About the rudest encounter he’s ever had with a star. “Hands down one of the worst humans.

Interestingly, The Real Housewives of New York star and TV host Bethenny Frankel chimed in via the comments section.

 ”That’s crazy,” she wrote. “She was on my talk show and I had a crazy experience, also.”

 Later, Pratt offered to spill the beans if one million people watched the clip.

Once this figure was swiftly surpassed, the reality star dished the dirt.

“The year was 2009 and Heidi [Montag, Pratt’s wife] and I were invited to our first elite A-list party.