Oli Green. Related: Sienna Miller Is Pregnant! Actress Expecting Second Baby as She Shows Off Bump While on Vacation (Exclusive) Green works in the entertainment industry as an actor. His career ...

The actress, 42, was also joined by her boyfriend Oli Green, 28, for the event at Four Seasons Tower Bridge. Supporting her fashion designer sister, Sienna looked as chic as ever in a denim ensemble.

Pregnant Sienna Miller, who is expecting her first child with actor Oli Green, showed off her growing baby bump in a stylish look at Vogue's World Show during London Fashion Week. Actress Sienna ...

Here's everything to know about Miller's boyfriend, Oli Green. David M. Benett/Dave Benett/Getty Green works in the entertainment industry as an actor. His career began after studying at the ...