 Complete the following phrase:  By 2012, Arctic Monkeys were based in Los Angeles, with Turner and Helders sharing a house. Arctic Monkeys toured the US as the support act for The Black Keys in early 2012. While they had previously opened for Oasis and Queens of the Stone Age at one-off shows, it was the bands first time to tour as a supporting act. They released R U Mine? as a standalone single in preparation for the tour, with Turners new girlfriend, Arielle Vandenberg, appearing in the music video. Later that year, Arctic Monkeys performed I Bet You Look Good on the Dancefloor and a cover of Come Together by The Beatles at the 