Tom Cruise spending some quality time with Suri over the weekend... Katie Holmes leaving her building in sunglasses and a scarf ... Michelle Williams and daughter Matilda bundled up for a walk in Brooklyn ... Sarah Jessica Parker taking a stroll with her son and dog ... Mariah Carey getting out of a car at an event in Midtown ... Uma Thurman walking with boyfriend Arki Busson ... Alec Baldwin and Elvis Mitchell attending the Hamptons International Film Festival's Golden Starfish Awards ... and Keira Knightly standing on the set of her new movie in SoHo, and later snuggling up with her boyfriend Rupert Friend.