Olivia O’Brien has returned following her feature in Gnash’s “i hate u i love you,” and it’s as catchy and heartfelt as we could hope for. Seventeen year-old singer and song­writer O’Brien teamed up with Nic Nac and DaviDior, the producers of DJ Khaled’s “I’m The One,” for her new single “RIP.” Co-written with Drew MacDonald, “RIP”