Happy Birthday Sienna Miller – See Her Sweetest Moments With Tom!

Sienna Miller turns 31 today! It’s been a whirlwind 12 months for Sienna. In addition to debuting an engagement ring from fiancé Tom Sturridge, they also welcomed their first child, Marlowe, over the Summer. Sienna was on the road showing off her HBO project, The Girl, which later earned her an early birthday present – a Golden Globe nomination. To celebrate her milestone year, we’re taking a look back at some of her most adorable, and PDA-filled, moments with Tom. Click through to see all of their cutest pictures! View Slideshow ›