Keeping Up With The Kardashians star Caityln posted the photo on Thursday (6 August) to boost votes for her Teen Choice Awards nomination for Social Media Queen.
Sharing the selfie, Caitlyn said: "No #SocialMediaQueen can be crowned without posting a selfie, so here's my first! #TeenChoice."
The former Olympian competes in the category alongside the likes of Nicki Minaj, Taylor Swife and Katy Perry.
Caitlyn broke a new Twitter record in June after racking up one million followers in under four hours following the reveal of her Vanity Fair cover. The record was previously held by President Barack Obama.
Tweeting at the time, Caitlyn, said: "Another Jenner world record, and at 65? Who'da thought! Humbled & honoured to have reached 1M followers in 4 hrs. Thank you for your support."
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