Sienna Miller felt 'sad' in her 30s as she thought she would be married with 'three kids' by then

Sienna Miller cuts a stylish figure in a green sweater and high-waisted baggy jeans in New York

Sienna Miller shows off new copper hair as she wears double denim for walk in NYC

Brooke Shields and Sienna Miller stun in gowns while leading stars at Straight Line Crazy premiere