Sienna Miller was glowing leaving her baby shower in London Sunday. Tom Sturridge was back at home with his girlfriend following a short stay in Cannes. He was in France promoting one of his own projects, On the Road, and supporting his best friend Robert Pattinson at the Cosmopolis premiere. Now that the film festival has come to an end, Tom has more time to spend in the UK with Sienna. The engaged pair are expecting their first child in the upcoming weeks, though Sienna's been careful not to share her exact due date with press.