Sienna Miller Struts Through the Streets of NYC

Sienna Miller strutted down the streets of NYC on Monday to meet a friend for lunch at Balthazar restaurant. But when Sienna's not treating the streets like a runway she's taking part in the NYC sport of people watching. The ladies sat arm-in-arm on a bench together and were completely focused on what was going on in front of them!

OK! NEWS: ARE JUDE AND SIENNA READY TO BE ROOMMATES?

Sienna was dressed casually in flats and a gray short-sleeved sweater and sported a sun-kissed face, but by the way she sauntered down the street was much more glam than most people!

OK! NEWS: SIENNA MILLER AND JUDE LAW GET SERIOUS

Wonder what she and her friend were staring at? Perhaps they spotted Jude Law!