Emo rapper Lil Peep, real name Gustav 脜hr, a rising star who was often called the voice of his generation, has died at age 21, according to multiple reports.

The musician鈥檚 UK rep confirmed the news to the Guardian, and his publicist confirmed via email to Pitchfork. No official cause of death has been released.

Born and raised in Long Island, New York, the young rapper built a huge underground following on the strength of four mixtapes. His debut album, Come Over When You鈥檙e Sober, Pt. 1, was just released in August of this year. He has been called the Kurt Cobain of modern rap, and was one of the biggest breakout stars of the Soundcloud rap movement, which the New York Times dubbed hip-hop鈥檚 punk moment. Younger fans flocked to his song and video streams by the millions, relating to his very candid lyrics about his anxiety and depression, his sexuality, heartbreak, and drug use.

I was homeless :)

A post shared by @ lilpeep on

Heartbroken tributes from other musicians, as well as friends and collaborators, flooded social media in the wake of the news.

Musician Charli XCX says she remembers the first time she heard Peep鈥檚 music, calling it 鈥渆nthralling.鈥

鈥淪o young, so sad,鈥 Beats 1 radio host Zane Lowe tweeted.

Producer and musician Diplo lamented that the young rapper had 鈥渟o much more to do.鈥

鈥淵ou deserved more out of life,鈥 Bella Thorne tweeted. 鈥淟ife didn鈥檛 do your greatness justice.鈥

And producer Marshmello, who recently worked on Selena Gomez鈥檚 鈥淲olves鈥 single, said the two were talking just last week about a collaboration. 鈥淣ow you鈥檙e gone,鈥 the producer wrote. 鈥淵ou will be missed.鈥

Our thoughts are with Lil Peep鈥檚 family, friends, and fans at this time.

(Photo via Pascal Le Segretain/Getty)