Kate Hudson and Matthew Bellamy at the Groucho | Pictures

Kate Hudson and her fiancé, Matt Bellamy, treated themselves to a night out on the town yesterday. The couple were in London and spent time with friends at the Groucho Club in Soho. Kate and Matt are hanging out at their UK home base during an English portion of his tour with Muse. He and the band are traveling to support their latest album, The 2nd Law, and have a date scheduled for Munich on Monday. They'll next move on to Switzerland and Italy. Kate and their sons, Bingham and Ryder, have been able to go along for some of Matthew's gigs. Kate and Matt were in Paris last month, when they were also able to fit in a night on the town.