Internet research firm Knowledge Networks called on pop culture fans to help determine the nominees. The public can help choose the winners online at http://www.pcavote.com. The CBS-TV show will be broadcast from the Shrine Auditorium on Jan. 9.

A second round of nominees for categories that includes favorite movie, new TV comedy and remake of a song will be announced later.

The first round nominees are:

Female movie star: Jennifer Aniston, Halle Berry, Sandra Bullock.

Male movie star: Johnny Depp, Tom Hanks, Denzel Washington.

Leading lady: Cameron Diaz, Kirsten Dunst, Scarlett Johansson.

Leading man: Matt Damon, Brad Pitt, Vince Vaughn.

Female action star: Kate Beckinsale, Halle Berry, Uma Thurman.

Male action star: Johnny Depp, Samuel L. Jackson, Jet Li.

On-screen matchup: Jennifer Aniston and Vince Vaughn in "The Break-Up"; Matt Damon, Jack Nicholson and Leonardo DiCaprio in "The Departed"; Johnny Depp and Keira Knightly in "Pirates of the Caribbean: Dead Man's Chest."

Female singer: Faith Hill, Shakira, Carrie Underwood.

Male singer: Trace Adkins, Kenny Chesney, Toby Keith.

Group: Black Eyed Peas, Nickelback, Red Hot Chili Peppers.

Pop song: "Hips Don't Lie," Shakira; "Promiscuous," Nelly Furtado; "Stupid Girls," Pink.

Rock song: "Call Me When You're Sober," Evanescence; "Dani California," Red Hot Chili Peppers; "Who Says You Can't Go Home," Bon Jovi.

R&B song: "Ain't No Other Man," Christina Aguilera; "Sexyback," Justin Timberlake; "Shake It Off," Mariah Carey.

Hip-Hop song: "Grillz," Nelly; "Ridin'," Chamillionaire; "Shake That," Eminem.

Country song: "Before He Cheats," Carrie Underwood; "What Hurts the Most," Rascal Flatts; "When the Stars Go Blue," Tim McGraw.

TV comedy: "The King of Queens," "My Name Is Earl," "Two and a Half Men."

Animated TV comedy: "Family Guy," "King of the Hill," "The Simpsons."

TV drama: "CSI: Crime Scene Investigation," "Grey's Anatomy," "House."

Competition/Reality show: "American Idol," "Deal or No Deal," "Extreme Makeover: Home Edition."

Talk-show host: Ellen DeGeneres, Jay Leno, Oprah Winfrey.

Female TV star: Jennifer Love Hewitt, Eva Longoria, Julia Louis-Dreyfus.

Male TV star: Patrick Dempsey, Charlie Sheen, Kiefer Sutherland.

Funny female star: Ellen DeGeneres, Julia Louis-Dreyfus, Queen Latifah.

Funny male star: Will Ferrell, Adam Sandler, Robin Williams.