Sienna Miller, 42, gives birth to first child with boyfriend Oli Green, 27
SIENNA Miller has given birth to her first child with boyfriend Oli Green.
The actress, 42, revealed she was expecting her second child last summer while walking the red carpet.
Sienna was spotted walking with the tot and Oli, 27, in London today.
She is already a mum to her daughter Marlowe, 10, with her actor ex Tom Sturridge.
The Boat That Rocked star was with Sienna for four years.
She has also previously dated Brad Pitt, Jude Law and Daniel Craig.
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She also dated Notting Hill actor Rhys Ifans, a close pal of Jude Law's ex-wife Sadie Frost.
After their split she dismissed their relationship, saying: "I really thought I was very ready to settle down, but then I realised I wanted to be selfish for just a little bit longer.
"When I have a child, it will be probably become my whole life, so I don't want to have any regrets that I should have done more.
"But I'm only 26, I have plenty of time."
Sienna previously opened up about freezing her eggs after turning 40.
The Alfie star told Elle Magazine: "The pressure about kids, and should I have more, and why haven’t I, and all of that, which is a really loud noise.
"Biology is incredibly cruel on women in that decade – that’s the headline, or it certainly was for me.
"Then I got to 40 and I froze some eggs. Having been really focused on the need to have another baby, I’m just like, if it happens, it happens. That kind of existential threat has dissipated."
However, the star later told Vogue that her second pregnancy was unplanned.
She said: "I was very fortunate. I wasn't necessarily trying to get pregnant.
"This happened as a total surprise and biologically was something I was able to do."