Mary-Kate Olsen: Book Carrying After Meeting!

Mary-Kate Olsen carries a book while exiting an office building on Sunday (May 22) in New York City.

Last week, the 26-year-old fashion designer and her twin sister Ashley were seen exiting Greenwich Hotel together and attending a basketball game in the Big Apple.

PHOTOS: Check out the latest pics of Mary-Kate Olsen

Mary-Kate‘s younger sister Elizabeth was last spotted taking a stroll with her boyfriend Boyd Holbrook in Soho.

In case you forgot, Elizabeth‘s upcoming film Oldboy, also starring Josh Brolin, hits theaters on Friday, October 11!