Social media star who has earned over 8 million followers on Instagram and more than 17 million fans on musical.ly through his lip sync videos of popular songs. He also reached over 900,000 followers on Vine. He has released the singles "Sweatshirt," "Hit or Miss," "All My Friends" and "Last Text." His debut EP The Last Text was released on January 20, 2017.
He posted his first video to Vine on August 17, 2014, but didn't begin posting regularly until February of 2015. The first video was static and was a message against bullying.
He has over 1.2 million Twitter followers and more than 2.5 million subscribers on YouTube. He released his third single, "All My Friends," on his 14th birthday.
Born in Oklahoma, he was adopted and raised in Virginia. His social media is managed by his mother. His mom has appeared in his Vine videos. He has an older sister named Caroline. His birth name is Rolf Jacob Sartorius. Rolf is also the name of his father and grandfather.
He became close friends with fellow web star Cameron Dallas.