On Instagram, she serves one provocative photo after another to her close to 2 million followers.
Kopf's legion of fans has been scrambling for her videos and photos on Twitter, making her a trending topic.
Stefanie is much more than her jaw-dropping physique and gorgeous face.
A photo of Bhad Bhabie.
A photo of Naomi Ross.
A photo of Hannah Owo.
She is also popular on Twitch, a video game live streaming platform, as well as on OnlyFans, where she has nearly 60,000 followers and more than 200 posts.
Unfortunately, these photos and videos allegedly found their way to Twitter, where non-paying fans are feasting on her exclusive conte.