In 2015, her song "Love Me like You Do" was released from the soundtrack for the movie "Fifty Shades of Grey", based on the novel by E. L. James. The song reached the top three in the US and reached number one in the United Kingdom. She released her third studio album, "Delirium", in November of that year. It included the singles "On My Mind", "Love Me like You Do", and a collaboration with Scottish DJ Calvin Harris, "Outside".