Katie Holmes & Luke Kirby: T-Shirt Co-Stars on 'Mania Days' Set!

Katie Holmes rocks a bun and a bright tee while filming scenes for her latest flick Mania Days on Friday (May 31) in New York City.

The 34-year-old actress was joined on set by her co-star Luke Kirby, who also donned a t-shirt.

PHOTOS: Check out the latest pics of Katie Holmes

The day before, Katie was spotted returning work after a long Memorial Day weekend vacation with her daughter Suri in Florida.

15+ pictures inside of Katie Holmes and Luke Kirby shooting scenes together for Mania Days…