0Famous TwinsAstronauts Scott and Mark Kelly are preparing for a historic meet-up in space. From the Olsens and the Barclays to the Doublemint girls, VIEW OUR GALLERY of the most successful sets.Updated Jul. 14, 2017 7:38PM EDT / Published Oct. 03, 2010 9:34AM EDT Scott and Mark Kelly Cameron and Tyler Winklevoss Gregory Bull / AP Photo Mary-Kate and Ashley OlsenHenny Garfunkel / Retna Ltd. Sir David Barclay and Sir Frederick BarclayMichael Stevens, AFP / Getty Images Robin and Maurice Gibb AP Photo Abigail Van Buren and Ann LandersJohn Gaps III / AP Photo Ronde Barber and Tiki Barber Ronen Zilberman / AP Photo Barbara and Jenna BushElise Amandola / AP Photo Paul and Morgan HammCharles Rex Arbogast / AP Photo Bob and Mike BryanSang Tan / AP Photo Doublemint
Scott and Mark Kelly Cameron and Tyler Winklevoss Gregory Bull / AP Photo Mary-Kate and Ashley OlsenHenny Garfunkel / Retna Ltd. Sir David Barclay and Sir Frederick BarclayMichael Stevens, AFP / Getty Images Robin and Maurice Gibb AP Photo Abigail Van Buren and Ann LandersJohn Gaps III / AP Photo Ronde Barber and Tiki Barber Ronen Zilberman / AP Photo Barbara and Jenna BushElise Amandola / AP Photo Paul and Morgan HammCharles Rex Arbogast / AP Photo Bob and Mike BryanSang Tan / AP Photo Doublemint