Madonna leaving the Kabbalah Center in Midtown ... John McEnroe sitting in the stands at a Knicks game with daughter Ava ... Ex-Gov. Eliot Spitzer walking home from a jog on Saturday afternoon, accompanied by one of his daughters ... Ethan Hawke driving a car with his wife and kids on the UES ... model Coco Rocha walking with boyfriend James Conran ... Renee Zellweger heading to the airport en route to Sundance ... Tina Fey filming scenes for 30 Rock ... Sarah Jessica Parker getting out of a car in front of son James' school ... and Lady Gaga signing autographs for fans outside Rockefeller Center.