Vanessa Hudgens Oscar Performance

Vanessa Hudgens performed at the 81st annual Academy Awards ceremony with her High School Musical co-star Zac Efron, as well as with Mamma Mia! stars Amanda Seyfried and Dominic Cooper, host Hugh Jackman and singer Beyonce.

The ceremony was held on February 22, 2009, at the Kodak Theater in Los Angeles, California. She wore a floorlength gown with white highlights designed by the wife of movie mogul Harvey Weinstein.

In early February 2009, some of the performers for the 81st Academy Awards presentation were leaked on the Internet. Vanessa Anne Hudgens, Amanda Seyfried, Hugh Jackman, Zac Efron and Beyonce were said to be involved in an elaborate song and dance routine, with the possible addition of Dominic Cooper and Anne Hathaway.Just Jared: Anne Hathaway To Open... (February 18, 2009)

Peter Gabriel was to perform his Oscar-nominated song "Down To Earth," from the animated film Wall-E, but pulled out because the producers would only allow a portion of the song to be sung in a medley.Telegraph: Peter Gabriel Pulls Out... (February 16, 2009) ABC was hoping that by securing younger performers, they would gain additional interest in the show, after a record-breaking low of 32 million viewers in the previous year.MTV: Will Zac Efron...(February 18, 2009)

• YouTube Video: 2009 Oscars: Hugh Jackman and Beyonce Performance