For some stars, giving back is just part of the job!
To recognize those celebrities who donate their time, knowledge and influence to worthy causes, Us Weekly has revealed its 2010 list of Hot Hollywood Stars Who Care.
See the complete list of this year's most philanthropic stars -- who will be honored at a bash in L.A. Nov. 18 -- below. And then come back to UsMagazine.com on Nov. 19 for red carpet photos from the party!
Jennifer & Lynda Lopez - Providing care for sick kids worldwide
Sharon & Kelly Osbourne - Standing up for gay, lesbian, bisexual and transgender youth
Jenna Dewan - Shedding her clothes to save animal skins
Katherine Heigl - Compassion for puppies
Angelina Jolie & Brad Pitt - Making a difference around the globe
George Clooney - Spotlighting Sudan
Colbie Caillat - Finding homes for shelter dogs
Katie Cassidy - Teaching self-sufficiency in Malawi
Christina Aguilera - Working to feed children worldwide
Nelly - Signing up bone marrow donors
Kesha - Raising cash for Nashville flood victims
Ben Affleck - Helping rebuild in the Congo
Brandy - Seeking a new heart for an ailing teen
David Arquette - Serving the needy close to home
Olivia Wilde - Providing a safe haven for kids in Haiti
Mariska Hargitay - Fighting violence against women