Heidi Montag had more plastic surgery, but it's not what you think.

The former "Hills" star made her first red carpet appearance since having her breast implants removed.

The reality star, who went from a size F to a D, showed off her new body in a black leather skirt and sheer black top.

Click here to see her after photos

Montag had a complete body overhaul in 2009 when she infamously had 10 plastic surgery procedures at once.

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