Photo of Mary-Kate Olsen, Her Boyfriend Nate Lowman, Christopher Bailey and Derek Blasberg Out in NYC Cocktails for Four March 17, 2009 by POPSUGAR Celebrity 8 Save 0 Favorite 0 Mary-Kate Olsen and her boyfriend Nate posed with their friends Christopher Bailey and Derek Blasberg on Monday night at a Burberry cocktail party in NYC. Sipa Mary-Kate OlsenHotChristopher BaileyDerek BlasbergNate Lowman Tell your friends Link Love Leighton Meester will join James Franco on stagePeopleSimon Cowell organizes his girlfriend's baby shower — Us WeeklyIs it Lindsay Lohan vs. Paris Hilton? — Lainey GossipMary-Kate Olsen may be preparing to tie the knot — HuffPost CelebrityHilarious facts you didn't know about Lena Dunham — BuzzFeedFamily Ties star Meredith Baxter gets hitched — ETIs Shailene Woodley dating Jared Leto? — Gossip GirlThe royals pay tribute to Nelson Mandela — The Daily BeastThe latest on Joe Manganiello's strip club documentary — Hollywood ReporterFergie flaunts her postbaby body on the red carpet — TooFabWill Tom Hanks win the box office? — Rotten TomatoesDemi Lovato opens up about her relationship with Joe Jonas — WonderwallEverything you didn't know about Pretty Woman — The Frisky 8 Comments Sign in to leave a comment Sign in with your account Don't have an account? Create one now! ckeller825 4 years she's freakin adorable. I love her. I wonder what brand those jeans are. iing 4 years she's fug ,,,looks like vampire,,and her mouth........ huh Bearsy123 4 years I like the casual jeans look however I still can't shake the fact that she looks like a wierd, neckless, hunchbacked hobbit emmar 4 years love burberry emmar 4 years love burberry ashln 4 years wow! she's wearing jeans...that's a new concept for her! minnie2011 4 years i like MK. minnie2011 4 years i like MK. See More Mary-Kate Olsen Lindsay Lohan May 21, 2007 Lucky Ladies Check out the Chanel Cruise Show Mary-Kate Olsen Jul 17, 2007 Outstanding Weeds Cast (MK! MLP!) At Awesome TCAs fashion week Sep 04, 2013 New York Fashion Week Fun Through the Years met gala May 08, 2013 Stars Let Loose at the Met Gala Afterparty! POPSUGAR News Nov 13, 2009 Taylor Talks Team Types, Lindsay Disses Dad, & Watch, Pass, or Rent! POPSUGAR News Jun 07, 2011 Video: Mary-Kate and Ashley Olsen, Miranda Kerr, and More Stylish Stars Celebrate Fashion! You Might Also Like Poll Jul 20, 2008 What's Tackier? Bikini Jul 07, 2006 Who has the best beach butt? News May 05, 2006 Link Love! Bikini Dec 30, 2011 The 55 Best Bikini Moments of 2011!