Anna Wintour LURVES tennis!
Yesterday, she attended day 2 of the US Open to watch Federer play against Marinko Matosevic, and she looked preppy as can be in a green and black striped A-line dress belted at the waist.
Though her favorite Manolos weren't traded in for sneakers or tennis shoes, of course. That would be preposterous!
We're almost certain the bag was a gift from Posh, so La Wintour doesn't have to worry about the $1,500 price tag cutting into her style allowance.
[Image via Joel Ginsburg/WENN.]