The former Olympian, who was interviewed by Diane Sawyer in a two-hour episode of 20/20 on Friday, said he hoped that by speaking out, he would help other transgender people.
And on Friday night she Tweeted a message to the 65-year-old.
“Sending lots of love and support of #BruceJenner and their family tonight,” she wrote. “It is always brave to stand in one’s truth. Congrats darling.”
Jenner’s transition will be chronicled in an eight-part docuseries premiering July 26 on E!