Mary-Kate Olsen steps out to run some errands on Friday (March 20) in New York City.
Earlier this week, a glamorous
Mary-Kate Olsen met up with her boyfriend
Nate Lowman at Greenhouse, an eco-friendly New York nightclub. "She was dancing all night," a club source told
People.
Mary-Kate helped host
Ed Westwick honor Burberry Creative Director
Christopher Bailey at the Barneys store on Monday night and also showed