 Complete the following phrase:  Lorde announced dates for the Europe and Oceania legs of her tour via Twitter on 8 June 2017. Her tweet was accompanied by the release of a new song titled Sober 2017 and the announcement of the opening act for her tour, Khalid. The following week, a North American leg was announced. Lorde revealed her opening acts would be Mitski, Tove Styrke, and Run the Jewels on 4 October 2017. Shortly after the 