Audrina Patridge and Heidi Montag
Evan Agostini/PictureGroup, Ray Tamarra/Getty
"I haven't seen how she looks, so it's hard for me to comment on it, but these are her decisions, and as long as Heidi is happy, that's all that matters," says Patridge, who has denied reports she's also undergone cosmetic surgery.
But even as the 24-year-old reality star shows her support, Patridge admits surprise at the number of procedures her friend underwent.
"I think it's a case of, 'To each their own,' " she told PEOPLE on Thursday while at Kari Feinstein's Style Lounge at Zune in West Hollywood, "but 10 procedures in one day is a little much."
To find out what surgeries Heidi had and what husband Spencer Pratt thinks of her new look, pick up the latest issue of PEOPLE, on newsstands Friday.
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