He rose to fame as the sweet-faced Sam in Christmas classic Love Actually. But now Thomas Brodie Sangster is getting married, as the former child star announced his engagement to Elon Musk's two-times ex-wife Talulah Riley.The two, both actors, met on the set of Disney Plus series Pistol, which premiered last year. Announcing the happy news on Twitter, Talulah wrote: "Very happy to share that after two years of dating, Thomas Brodie Sangster and I are engaged!" The 37 year old was congratulated by Twitter owner Elon Musk who replied with his congratulations.The pair were married within weeks of being together and married in 2010 before they split two years later and divorced in 2012.