Nina Agdal
The supermodel helps light the Empire State Building with Pencil of Promise in honor of International Literacy Day.
Kendra Wilkinson-Baskett
Before showing off her athletic skills, the reality star poses with her son at the 2nd annual Aces In Action charity celebrity basketball game at Staples Center.
Shailene Woodley
The actress chats with health and wellness expert Rainbeau Mars at the Hoop Life event, benefiting All It Takes.
Christina Milian
The actress and singer shows her support for the International Pain Foundation at their Music Moves Awareness event in Los Angeles.
Russell Wilson
The NFL star and his Why Not You Foundation donate $1,060,005 to Seattle Children's Hospital and its Strong Against Cancer Initiative during the Seahawks' pre-season game against the Cowboys.
Taylor Swift
The singer has donated $1 million to Louisiana flood relief after massive flooding in the state killed at least 11 people and forced numerous families out of their homes.
"We began The 1989 World Tour in Louisiana, and the wonderful fans there made us feel completely at home. The fact that so many people in Louisiana have been forced out of their own homes this week is heartbreaking," the 26-year-old said in a statement. "I encourage those who can to help out and send your love and prayers their way during this devastating time,"
Holly Robinson Peete & Laila Ali
Stepping out for a good cause! The Hollywood stars attend HollyRod Foundation's DesignCare Gala in the Pacific Palisades.
Scott Eastwood
Looking good while doing good! The face of Davidoff Cool Water supports the brand's #LoveTheOcean campaign at a beach clean-up in Ocean Beach, Calif.
Joel McHale
The comedian joins Capital One for a private show to kick off The Kennedy Center's first annual District of Comedy Festival.
Rachel Zoe
The celebrity stylist and fashion designer accepts the Humanitarian Award at Children Mending Hearts and Vintage Grocers presents the 8th annual "Empathy Rocks" event.
Whitney Port
The Hills alum attends the 2016 HOLLYWOOD BUILD hosted by Habitat for Humanity of Greater Los Angeles, sponsored by Lowe's.
Kenneth Cole
UNAIDS' Michel Sidibé appoints the fashion designer and amfAR chair as the new UNAIDS International Goodwill Ambassador in NYC.
Kat Graham
The Vampire Diaries star attends Lambda Legal's 2016 West Coast Liberty Awards Gala at the Beverly Wilshire Four Seasons Hotel.
Kate Hudson
The A-list actress poses with her Universal Smile Award at the Operation Smile Gala in New York City.
Ali Larter, Bonnie Somerville & Allison Pill
The actresses attended a Los Angeles charity event for Communities in Schools, the nations leading high school dropout prevention program.
John Slattery
The actor takes one of the 50,000 free hearing phone screenings Duracell is offering throughout the month of May in honor of its "Stay Connected" Hearing Loss Awareness Initiative.
Nikki Reed
The actress helps show her support for Kiehl's 2016 Earth Day Project benefiting Recycle Across America.
Holly Robinson Peete
The For Peete's Sake star joins BFFs Kym Gold and Leah Remini for the Stella & Dot Trunk show benefiting The HollyRod Foundation.
Katherine McNamara
DoSomething.org and truth work with the Shadowhunters star to give pets a voice in the effort to end smoking.
Holly Robinson Peete
The For Peete's Sake star joins her husband and son for a partnership between the HollyRod Foundation and UCSF Benioff Children's Hospital San Francisco.
Viola Davis
The How to Get Away With Murder star helps The Vaseline Healing Project and top NGO, Direct Relief, pack Relief Kits for those in need living in L.A. at the Eisner Pediatric & Family Medical Center .
Rosario Dawson
The actress attended the ThankYou by Childhood USA Advocacy Campaign, #EyesWideOpen Initiative in West Harlem to raise awareness about child sexual abuse.
Bradley Whitford & Amy Landecker
The Hollywood couple shows their support for A New Way of Life Re-Entry Project's 17th Annual Awards Gala at the Omni Los Angeles Hotel.
Ireland Baldwin
The model and her dog Kota shoot a PSA for The Humane Society of the United States to urge people to adopt a shelter pet during the holiday season.