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Joan Rivers, Courteney Cox, Jennifer Aniston

E! Networks

Joan Rivers is likethis with Hollywood's leading ladies. Jennifer Aniston and Courteney Cox? Oh yeah, they all went to Cabo together. Only Joan chose to wear a one-piece, "because I'm two years older than them."

What happens when you're not on the BFF list? Just ask Katy Perry, whose Coachella outfit got this comparison: "Looks like Catherine Zeta-Jones' roommate at the mental hospital who managed to escape." Or Minka Kelly, who got her own cheer: "You're skinny! [clap] You're hot! [clap] I hate you! [clap, clap, clap]"

See which other fashion criminals made Joan's hit list on Friday night's show in our special photo gallery! 

PHOTOS: Joan Rivers Uncut