Sienna Miller shares insight into life with second baby

***DIGITAL USE ONLY*** The actress revealed her elder daughter is "in heaven" over her new sibling. Sienna shares daughter Marlowe, 11, with her ex, Tom Sturridge and explained the tween did take some time to settle into her new role as older sister. Sienna told E! News, "Initially, it was a lot for her, and now she is in heaven." Sienna, 42, gave birth to her second child, a daughter, six months ago and revealed the baby is now "already idolising" Marlowe and "beaming every time she sees her".