Celebrities Dress To Impress For CNN Heroes Tribute

The stars were out in full force at the CNN Heroes: An All-Star Tribute at the Shrine Auditorium in LA.

Miley Cyrus and her man Liam Hemsworth were just a few of the celebrities that hit the red carpet for the annual event which honors the top ten CNN heroes of 2011.

The 19-year-old songstress, wearing a long gown with a plunging neckline, also performed her triple-platinum hit "The Climb."

Other starlets who rocked the red carpet ... 90210's Annalynne McCord and Modern Family's Sofia Vergara.

The real star of the night was Robin Lim (aka Mother Robin) who was named 2011 CNN Hero of the Year. She's an American woman who has helped thousands of poor Indonesian women have a healthy pregnancy and birth. Check out her tearful acceptance speech.

See all of the red carpet fashions in our gallery below.