Mary-Kate and Ashley Olsen launched their new book, Influence, together at Barneys in NYC last night. Both ladies showed off their legs, but Ashley stood out in red while Mary-Kate hopped on the dark and spooky celebrity trend. Today they went a little more casual to meet fans and sign copies of their book at Barnes & Noble. The twins are looking so grownup these days, and we're sure their newest business venture will be just another successful part of their already huge empire.
To see more of pretty Mary-Kate and Ashley, just