Jennifer Lawrence, Shailene Woodley and Robert Downey Jr. Among People's Choice Nominees

The nominees for the People's Choice Awards were announced Tuesday at the Paley Center for Media in Beverly Hills, where executive producer Mark Burnett also revealed that Anna Faris and Alison Janney, who currently co-star on the CBS comedy series "Mom," will be hosting.

"We are thrilled to have Anna and Allison as hosts of our show," Burnett said in a statement. "Our job is to entertain our audience, and these actresses have such chemistry and comedic timing that no matter who wins, everyone will be having fun."

As for the nominations, Shailene Woodley leads the pack in the movie category with four acting nods, including Favorite Movie Duo – a category in which she is nominated twice for her films "Divergent" and "The Fault In Our Stars."

A-listers Jennifer Lawrence, Angelina Jolie, Emma Stone, Melissa McCarthy and Scarlett Johansson will all be vying for the title of Favorite Movie Actress, while Brad Pitt, Channing Tatum, Hugh Jackman, Mark Wahlberg and Robert Downey, Jr. will go head to head in the corresponding male category.

In the TV genre, "Grey's Anatomy," "Supernatural" and "The Vampire Diaries" lead the list of nominees with five each, while Amy Poehler, Kaley Cuoco-Sweeting, Melissa McCarthy, Sofia Vergara and Zooey Deschanel will compete to win the award for Favorite Comedic TV Actress.

Meanwhile, Sam Smith, whose breakout hit "Stay With Me" topped the music charts for weeks, dominates the music nods with four nominations.

Additional notable nominees include Reese Witherspoon and Meryl Streep for Favorite Dramatic Movie Actress, George Clooney for Favorite Dramatic Movie Actor and Zac Efron for Favorite Comedic Movie Actor.

Voting begins Tuesday at PeoplesChoice.com, where you can also see the full list of nominees. Fans can also vote via Facebook and mobile applications, which will close at 11:59 PM, E.T. on Dec. 4.

Winners will be revealed during the live broadcast of the 2015 People's Choice Awards, which will be broadcast live from the Nokia Theater L.A. Live on Jan. 7.

PHOTOS: Check out the arrivals from last year's show!

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