The stars are calling on the White House and Congress to protect federal funding for the cause.
"This extends so much further past gay and trans people," she added.
The multi-hyphenate explained how her heroine is "able to access her rage" in her recent Billboard cover story.
The Harry Potter author has spent the last few years sharing transphobic talking points on social media.
With her Wicked leading role and seemingly endless plaudits, the multihyphenate has become a capital "S" star — and on her new studio album, is telling the world who she really is.
Check out pics of the near-EGOT singer-actor.
Plus new music from Royal & the Serpent, Kate Nash, King Isis and Betty Who.
Plus new music from Allison Goldfrapp and PINKNOISE.
The singer-songwriter reflects on his decade-long career, and why he decided to make Ten his final album.
Plus new tracks from Frankie Grande and Orla Gartland.