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Sienna Miller Engaged After Welcoming Second Child
10 Jun
Summary
- Actress Sienna Miller is reportedly engaged to partner Oli Green.
- The engagement news follows the recent birth of their second child.
- Her diamond ring is estimated to be worth between £50,000 and £70,000.

Actress Sienna Miller, 44, is reportedly engaged to her long-term partner, Oli Green, 28. This news emerges approximately one month after the couple welcomed their second child in May 2026. Miller was recently photographed in Spain sporting a diamond ring on her left hand, sparking widespread speculation.
Jewelry experts estimate the value of Miller's engagement ring to be between £50,000 and £70,000. The ring appears to be a vintage piece featuring a natural round solitaire diamond of approximately 3 carats, set in yellow gold with a classic six-claw setting. This choice aligns with Miller's 'old money' personal style, described as timeless and understated.
This marks the fourth engagement for the British actress. She was previously engaged to Jude Law in 2004, Tom Sturridge in 2012, and Lucas Zwirner in 2020. Miller has publicly commented that having three engagements is preferable to three divorces, having never been married.