Sienna Miller signed some autographs before jumping into her waiting car in NYC. She was dressed down in a pair of faded black jeans and striped cardigan, but looked just as stylish as ever. Her Tom Ford shades, gladiator sandals and go-to Prada Saffiano+Tessuto Tote gave this casual ensemble some star quality. Get Sienna's look by shopping similar pieces now.

Source: INFDaily.com