Kristin Cavallari On Heidi Montag's Surgery & Shooting Season 6 Of 'The...

Kristin Cavallari On Heidi Montag's Surgery & Shooting Season 6 Of 'The Hills'

At the “When In Rome” premiere, Kristin Cavallari says she’s having “fun hanging out with the girls” again while shooting the next season of MTV’s “The Hills.” But does she think Heidi Montag went too far with all of her recent plastic surgery?