"I think what she did is absolutely, incredibly brave and wonderful for women and women's self-image," the 80-year-old entertainer and Fashion Police host said in an exclusive sit-down with E! News.
"For all these women that are going through this and going, 'Oh my God, I am not a woman anymore,' here is one of the most beautiful women in the world saying, 'This is what I have done, and I am still Angelina Jolie,'" Rivers gushed about the Oscar winner.
"She is someone every woman can look up to, saying, 'If she can do it, I can do it,'" the usually far-more-critical comedian continued.
But then the Joan we rely on for our weekly dose of starlet-skewering reappeared.
"It affected me so much I took three jokes out about her in my act. Do you understand how upsetting that is?" she groaned. "That dumb bitch. Those big, stupid vagina lips. And now I can't say anything!"
But, on a more serious note, Rivers acknowledges that having one's health is pretty much the thing to be grateful for.
"I am very, very lucky," she said. "I am 80 years old and I have—big deal—a bad knee, but that goes back to hockey in elementary school...But I am very lucky, very healthy.
"So I walk out of here and I drop dead, this would be my last interview," she cracked. "You could sell it for a fortune."