Popsugar Celebrity Sienna Miller Sienna Miller's Most Famous Relationships The 4 Men Who Were Lucky Enough to Share Sienna Miller's Life August 21, 2017 by Morgane Le Caer View On One Page Photo 5 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Tom Sturridge Sienna and Tom met in 2011 and welcomed a daughter, Marlowe Ottoline Layng Sturridge, in July 2012. They dated for four years, but unfortunately ended their relationship in July 2015. Previous Next Start Slideshow Sienna MillerCelebrity Couples