Katie Holmes took a walk in Manhattan yesterday and ran into a pal, Ethan Hawke. He was sitting on the stoop of his NYC home getting air with his youngest child, 1-year-old Indiana. Ethan and Ryan Shawhughes, Indiana's mom, have another daughter together, 4-year-old Clementine. Ethan's also dad to 10-year-old Levon and 14-year-old Maya with his ex, Uma Thurman. It's been a big week for the Hawke clan — Ryan and Ethan stepped out Monday night to premiere his new horror movie Sinister at NYC's Tribeca Grand Hotel. Katie, meanwhile, had the day to herself while her only child, Suri Cruise, was off at school. Katie has kept busy prepping for a return to Broadway in Dead Accounts and has thrown herself into NYC life. Earlier this week, Katie was seen taking the subway!