Caitlyn Jenner on the cover of Vanity Fair magazine.
US President Barack Obama has hailed Bruce Jenner's courage for revealing his female identity in the latest issue of Vanity Fair.
The former Olympian will now be known as Caitlyn Jenner.
Mr Obama tweeted:
The 65-year-old reality TV star's new Twitter page, in the name of Caitlyn, has beaten the President's record for the fastest growing micro-blogging account of all time.
Within his first hour on the Twitter site, Jenner attracted 280,000 followers.