Joan Rivers Calls Chelsea Handler a "Drunk" & Claims She Slept Her Way to the Top

Feud alert! Chelsea Handler appeared on Howard Stern's Sirius XM radio show on Monday and said some not-so-nice things about Joan Rivers. Today, Joan and her daughter Melissa Rivers stopped by the show and Joan happily fired right back at the E! comedian.

OK! NEWS: CHELSEA HANDLER DISHES ON HER PAST DUI — "I HAVEN'T GOTTEN ONE SINCE!"

Chelsea, 36, recalled to Howard on Monday about some jokes Joan, 78, previously made about her.

"Joan Rivers gets up and she's like, 'I'd like to thank Chelsea Handler for giving me a career in comedy and congratulations on your stage Chelsea because I don't even have a dressing room," Chelsea explained on Howard's show. "And I'm like, f*** off!"

What did Joan have to say the next day about Chelsea's harsh words? Even harsher words!

"Number one, the girl made it on her back f***ing the president, we all know that, of the network. Number two, she's fine, she's ordinary. She's not a genius," Joan said.

"She's an ordinary girl that was f**king somebody high up in the industry and they gave her a break and she's doing okay," she continued referencing Chelsea's previous relationship with Ted Harbert, the President of E!.

OK! NEWS: JENNIFER ANISTON ADMITS SHE'S IN LOVE WITH CHELSEA HANDLER

Both ladies claim the other one started the fight.

"So whatever she is, she's a drunk," Joan concluded. "I don't wish her good luck, I don't wish her bad luck," Joan said.

Do you think Chelsea will let Joan have the last word?

Watch a clip of their interview with Howard, below.

Chelsea Handler and Joan Rivers on Howard Stern from HowardSternTV on YouTube