The Unholy hitmaker, who uses they/them pronouns, and the fashion designer have reportedly broken up after a year of dating, a source told Mail Online. "Sam and Christian decided to end their relationship before Christmas," the insider told the outlet. "They're still friends and will continue to support each other in their respective careers but for now they have separated. Sam and Christian were first romantically linked in January of last year when they were spotted spending time together in London, New York, and Paris.