Overnight, news broke that promising rapper Lil Peep has died at the age of 21. Born Gustav Ă…hr, the artist gained attention for his mixtapes and EPs, earning fame on YouTube, Soundcloud and other music networks online. Peepâ€™s debut album Come Over When Youâ€™re Sober dropped in September to positive reviews. The cause of death is yet unconfirmed but The Guardian reported that Peep overdosed. The rapper was open in his music about drug abuse and struggles with depression.