
Neil Patrick Harris was among the presenters. As part of their award package, each Top 10 CNN Hero will also receive organizational training through the Annenberg Foundation, a global supporter of nonprofit organizations.

Singer and actress Victoria Justice presented an award to Maggie Doyne, who was later named CNN Hero of the Year.

Actor Zachary Quinto, pictured, presented an award to fellow Pittsburgh native and CNN Hero Jim Withers.

Kathy Griffin was among the show presenters.

Actor Chris Noth was among the ceremony's presenters. During the ceremony, celebrity presenters joined each Top 10 Hero on stage as they shared the personal stories about what inspired them to give back to society.

"Orange is the New Black" star Taylor Schilling was among the presenters. Supporters of the Top 10 CNN Heroes may make direct charitable donations to their designated nonprofits by using Amazon Payments through December 31.

Canadian actor Jacob Tremblay introduced another of the CNN "Young Wonders."

Singer Andra Day, left, and actress Sharon Stone meet on the red carpet. Day performed her inspiring anthem "Rise Up" during the show. Since 2007, CNN's Peabody Award-winning, Emmy-nominated franchise has profiled more than 250 Heroes and received more than 50,000 nominations from more than 100 countries.

Video blogger Bethany Mota introduced one of the three "Young Wonders" honored at the event.

Stand-up comic W. Kamau Bell performed at the event. He is the host of the upcoming CNN series "United Shades of America."

Anderson Cooper hosted "CNN Heroes: An All-Star Tribute" at New York's American Museum of Natural History on Tuesday, November 17. Click through the gallery to see CNN Heroes, guests and celebrities who attended the event.

Monique Pool is among the Top 10 CNN Heroes. Pool has dedicated herself to helping wild animals in the South American country of Suriname. Pool has rescued, rehabilitated and released hundreds of sloths and other mammals back to the rainforest.

CNN anchor Ashleigh Banfield attends the "All-Star Tribute," which honored this year's Top 10 CNN Heroes.

Kim Carter is a Top 10 CNN Hero. Her nonprofit, Time For Change, provides housing, counseling and job training, as well as services to help women reunite with their children.

Sunny Hostin is a CNN legal analyst

Rochelle Ripley, a Top 10 CNN Hero, helps her Native American people. Through her nonprofit, hawkwing, she has delivered an estimated $9 million in services and goods to the Lakota people.

CNN anchor Don Lemon was in attendance.

Jeff Zucker, president of CNN Worldwide

Maggie Doyne, who cares for and educates hundreds of children in Nepal, was named the 2015 CNN Hero of the Year.