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Teens or those with interest in teen world can now vote for their favorites in 2007 Teen Choice Awards. Nominees of the event have been announced on Tuesday (July 3, 2007) with nominees ranging from Hayden Panettiere to Paris Hilton to Simon Cowell.

Post her jail release Paris has raised her star-o-meter and she is now the contender of Best Female Reality/Variety Star for “The Simple Life”. She is also running for “Choice OMG! Moment” after she entered the jail, got out of it and re-entered. For this category she has to compete with Britney Spears who boldly shaved her head and Lindsay Lohan who seems fond of staying in rehab.

17-year-old Hayden is the obvious selection for “Choice TV: Breakout” and “Choice TV: Drama” after she amazed viewers with regenerating power in “Heroes”. But she is also competing for “Choice Female Hottie” with older and evident actresses who showed some skin on screen such as Megan Fox and Jessica Alba.

Under the movie roof, box office films that triumph these last two years have been crowding the nomination list. “Transformers” has a very high chance of winning at least two categories after leading with nine nominations. Sequels “Fantastic Four: Rise of the Silver Surfer”, “Spider-Man 3” and “Pirates of the Caribbean: Dead Man's Chest” also bring a heavy competition to the movie match.

In music tally, the “Choice Music: Single” point to chart topping songs such as “Umbrella” by Rihanna feat Jay-Z, “Girlfriend” by Avril Lavigne and “The Sweet Escape” by Gwen Stefani feat Akon. Two British sensations Amy Winehouse and Lily Allen also manage to get their names signed in as the contender of Breakout Female Artist along side “American Idol” Katharine McPhee.

The 2007 Teen Choice Awards ceremony will be held August 26. To view complete nominees and start voting log on to fox.com.