Betty White, who died Friday at age 99, was a pioneering animal rights activist. Photo by Ben Horton/WireImage. The beloved actress worked for decades to champion animals in her charity work ...

Departed Betty White is mourned by ‘M*A*S*H’ star, fellow animal lover Loretta Swit: ‘I ache for missing her’ The 'Golden Girls' star would have turned 100 on Jan. 17 ...

The '#BettyWhiteChallenge' took off on social media after the star's death; on Jan. 17, people around the world are encouraged to donate $5 to their animal charity of choice. White's longtime ...

"Betty White was an animal advocate all her life. If all of Betty's fans donated just $3.00 to an animal rescue, imagine how many animals would be saved in honor of Betty White," another tweeted.

The #BettyWhiteChallenge, honoring her legacy as a lifelong animal welfare advocate, has raised $12.7 million on Facebook and Instagram. Plus Icon Film Plus Icon TV ...