Sienna Miller: Kids Company Charity Auction Supporter!
Earlier in the week, the 31-year-old English actress was seen running in the rain in the Big Apple.
It was recently announced that Sienna would be donating some clothes to a special auction benefiting Kids Company.
FYI: Sienna is wearing a Woolrich John Rich & Bros. black parka. Sienna is using her Bugaboo stroller.