And on Monday afternoon, President Barack Obama chimed in about the woman formerly known as Bruce Jenner.
"It takes courage to share your story," the president Tweeted, sharing Caitlyn's first Tweet from earlier in the day.
Obama then followed up with a Tweet asking people to share their own stories in the fight for LGBT rights.
It takes courage to share your story. https://t.co/Q7wWjV9Rxx
— Barack Obama (@BarackObama) June 1, 2015Caitlyn Jenner made her debut on the magazine cover on Monday, wearing her hair in loose curls and posing in a white bustier corset.
Caitlyn Jenner
Vanity Fair
RELATED VIDEO: Caitlyn Jenner's Incredible Journey
Just four hours after sending out her first Tweet, the Olympian had more than 1 million followers on Twitter, breaking a record previously held by the president.
