Heidi Montag graces the cover of the September issue of Playboy and admits the men’s magazine provided inspiration when it came to her 2007 plastic surgery.

Photos: See Heidi Montag’s Playboy Cover!

“When I was shopping for my boobs, I wanted the best, so I sat down and flipped through a bunch of Playboys,” Montag, who also had a nose job, tells the magazine in an interview conducted by her husband, Spencer Pratt.

The star of “The Hills,” 22, who married costar Pratt, 25, in April, says she’s not done making changes to her body. “I plan to get a few more upgrades … I’m sure as I get older I’ll need some touch-ups,” she says.

Pictures are from last night, as Speidi took a late night walk.

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