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'

Sienna Miller and former fiancé Tom Sturridge  step out for a dog walk in NYC