Sienna Miller, 40, looks stylish as she and boyfriend Oli Green, 25, leave their hotel amid PFW

Sienna Miller & Boyfriend Oli Green Are Still Going Strong, Step Out for Paris Fashion Week Together

Sienna Miller looks radiant in edgy thigh-high boots for Gucci's private dinner during PFW

See Meryl Streep, Kit Harington and Sienna Miller Battle the Future in Apple TV Plus' 'Extrapolations'