Rolf Jacob Sartorius^[1] (/sɑːrˈtɔːriəs/; born October 2, 2002) is an American singer and internet personality, who rose to fame via social media from posting comedic videos on Vine (service) and lip-syncing videos on musical.ly and TikTok. In 2016, he released his debut single "Sweatshirt", which reached a peak of 90 on the Hot 100 chart in the United States. J acob Sartorius was the 9th most searched musical artist of 2016.^[2]

On January 20, 2017, Sartorius released his debut extended play The Last Text which consisted of eight songs. The EP charted in the album charts in the United States, Canada, Scotland, New Zealand, Ireland and Australia. His debut concert tour The Last Text World Tour, took place the same year.^[3] He then released his second EP, Left Me Hangin'. In November 2018, Sartorius released his third EP, Better With You. Then on May 31st 2019, he released his fourth EP, Where Have You Been?, which, like his previous three releases, failed to make any chart impact worldwide.

Sartorius was born in Tulsa, Oklahoma. Shortly after his birth, he was adopted and moved to Virginia because his birth parents were unable to take care of him. He was raised in Reston, Virginia by his adoptive parents.^[4] At age 7, Sartorius began acting in musicals, where he discovered his love for performing.^[5]

In 2014, Sartorius uploaded his first online video to Vine at 11 years old. The video, which was a message about anti-bullying, went viral and began his fame on social media. After regularly posting videos to Vine, Sartorius became mildly popular on the app. Later that year, Sartorius joined Musical.ly where his online fame took off. His lip-syncing videos on the app became very popular and led him to become one of the app's top stars with more than 8 million followers as of August 2016.^[6]

Sartorius' newfound fame worsened the bullying at school. In 2016, Sartorius admitted he had to switch schools three different times in 2015 due to getting "verbally attacked, pushed, and teased" by classmates.^[7] Social media offered him an escape from bullying, with Sartorius stating, "Before Musical.ly, I wasn't the most outgoing. The app helped me goof off. It's like no one is watching besides the camera."^[5]

On 2 February 2019, Sartorius revealed via Instagram that he had been seeking therapy and taking anti-depressant medication since he was 11 years old.^[8]

After rising to fame via social media, Sartorius signed with T3 Music Group and released his debut single "Sweatshirt" on May 3, 2016. The song peaked at No. 90 on the US Billboard Hot 100, No. 81 on the Canadian Hot 100.^[9][10] Sartorius performed the song for the first time in Baltimore on May 7 during the Magcon tour, a tour where fans can meet and interact with Internet personalities and see them perform.^[11] Around that time, Business Insider predicted Sartorius "could be the next Justin Bieber".^[12]

After the tour, Sartorius released two more singles, "Hit or Miss" and "All My Friends". With "Hit or Miss" debuting at No. 72 in the United States, it is his highest charting single to date.^[13] In 2016, Sartorius undertook the All My Friends Tour, a solo mini-tour where he performed in six cities.^[16]

Three months later, Sartorius announced The Last Text World Tour where he would perform in seven countries in 2017 in support of his debut extended play The Last Text. Sartorius' E.P. was released on January 20, 2017.^[17]

Mid-2017, Sartorius signed with RCA Records and on October 6, released his major label debut, Left Me Hangin'. Sartorius released his first Christmas song, "Cozy" on December 1, 2017.

In March 2018, Sartorius attended the Los Angeles March for Our Lives protest and spoke at the event.^[18]

On November 1, 2018, Sartorius released his previously unannounced EP, Better With You. On May 31, 2019, he released his fourth EP, "Where Have You Been?

"—" denotes a single that did not chart or was not released in that territory.