Entertainment Movies Elizabeth Olsen Is Reportedly Dating Indie Musician Robbie Arnett Elizabeth Olsen broke off her engagement to Narcos star Boyd Holbrook in fall 2014 By Karen Mizoguchi Published on March 21, 2017 10:46 PM Share Tweet Pin Email It seems Elizabeth Olsen has a new singer/songwriter in her life. The actress is dating indie artist Robbie Arnett, according to a new report from E! News. Olsen, 28, and Arnett were all smiles together as they were spotted walking arm-in-arm in New York City on Monday. Team GT/GC Images Olsen’s rep could not be reached for comment. Arnett is a vocalist in the indie pop quartet Milo Greene and an avid film fan, as seen on his personal Instagram account. FROM COINAGE: See Where 6 Stars Were Before They Were Famous In fall 2014, the little sister of Mary-Kate and Ashley Olsen broke off her engagement to Narcos star Boyd Holbrook after three years of dating.