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Kaley Cuoco returns to host People's Choice Awards

Kaley Cuoco will host this year's People's Choice Awards on Wednesday night for the second consecutive year.

The People's Choice Awards lets audiences choose the best in film, TV and music. The show will feature performances by Christina Aguilera, Jason Aldean and Alicia Keys.

The show has announced that Sandra Bullock will be the first recipient of a new award - "Favorite Humanitarian."

The Oscar-winning actress is receiving the honor for her philanthropic efforts, including her commitment to Warren Easton High School in New Orleans following Hurricane Katrina.

Other celebrities expected at the award show include Adam Levine, Lea Michele, Katy Perry, Ian Somerhalder, Taylor Swift and Emma Watson, Jennifer Aniston, Ellen DeGeneres, Robert Downey Jr., Josh Hutcherson and Jennifer Lawrence.

Click here for a full list of the nominees.

The People's Choice Awards will air Wednesday at 9 p.m. ET on CBS.