Amber Lancaster: 2011 MTV Movie Awards

Amber Lancaster arrives at the 2011 MTV Movie Awards at Universal Studios' Gibson Amphitheatre on June 5, 2011 in Universal City, California.

Credit: Zimbio

Photos by Jason Merritt/Getty Images North America

Reese Witherspoon Subtly Slams Kim K & Paris

America's sweetheart is ready to talk some trash!

Reese Witherspoon went on a rant against a certain breed of celebrity at the MTV Movie Awards on Sunday night.

Accepting a Generation Award from Water for Elephants costar Robert Pattinson, the recently re-married actress, 35, railed at celebs in the vein of Kim Kardashian, Paris Hilton and others.

"I get it, girls, that it's cool to be a bad girl," the squeaky-clean Oscar winner told the crowd.

"But it is possible to make it in Hollywood without doing a reality show," she added.

And, in a dig that seemed to aim at the career trajectories of Kardashian and Hilton, both 30, she sniped: "When I came up in this business, if you made a sex tape, you were embarrassed and you hid it under your bed."

Another Hollywood trend she's seen enough of? "And if you took naked pictures of yourself on your cell phone, you hide your face, people!" the mom of two cautioned. "Hide your face!"

Credit: Us Magazine

Aubrey O'Day: GBK Gift Lounge At SLS Hotel

Aubrey O'Day attends GBK Gift Lounge In Honor Of The MTV Movie Awards Nominees And Presenters - Day 2, at SLS Hotel on June 4, 2011 in Beverly Hills, California.

Credit: Wire Image (Michael Bezjian)

Amber Lancaster: MTV Awards Style Lounge

Amber Lancaster attends Kari Feinstein MTV Movie Awards Style Lounge at the W Hollywood on June 3, 2011 in Hollywood, California.

Credit: Wire Image (A. Buck & M. Kovac)

Annalynne McCord At The GBK Gift Lounge

AnnaLynne McCord attends GBK Gift Lounge In Honor Of The MTV Movie Awards Nominees And Presenters - Day 2, at SLS Hotel on June 4, 2011 in Beverly Hills, California.

Credit: Wire Image (Michael Bezjian)