Celebrity twins, from dancers to first daughters to the Doublemint gals

Twin actresses-turned-designers Mary Kate and Ashley Olsen, photographed by Craig McDean, are seen in this undated publicity photograph. Fashion magazine Vogue's newest best dressed issue, which was unveiled on November 10, 2011 and hits newsstands on November 15, puts its spotlight on nine global sister acts. But it was the Olsen twins, who rose to fame as child stars on U.S. TV and as adults founded two successful high-end clothing labels, who were picked for the prestigious cover. REUTERS/Craig McDean/Vogue/Handout (UNITED STATES - Tags: ENTERTAINMENT FASHION SOCIETY) NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. NO COMMERCIAL USE

SAN FRANCISCO - JANUARY 11: Cameron (L) and Tyler Winklevoss leave the U.S. Court of Appeals on January 11, 2011 in San Francisco, California. Twin brothers and former Harvard University classmates Cameron and Tyler Winklevoss are requesting that a three-judge panel of the U.S. Court of Appeals in San Francisco to void a 2008 agreement to pay the twins $65 million citing that Facebook did not give an accurate valuation of its shares before agreeing to pay the settlement. (Photo by Justin Sullivan/Getty Images) *** Local Caption *** Cameron Winklevoss;Tyler Winklevoss

Les Twins

The Savarino Twins (1973).

376916 01: BUSH RETROSPECT: George W. Bush holds his twins, Barbara and Jenna, in the fall of 1981 in Dallas. (Photo by Newsmakers)

SYDNEY, AUSTRALIA - NOVEMBER 27: Benji Madden and Joel Madden arrives at the 2011 ARIA Awards at Allphones Arena on November 27, 2011 in Sydney, Australia. (Photo by Mark Kolbe/Getty Images)

LOS ANGELES, CA - MARCH 04: Actresses Tia Mowry and Tamera Mowry backstage at the 42nd NAACP Image Awards held at The Shrine Auditorium on March 4, 2011 in Los Angeles, California. (Photo by Christopher Polk/Getty Images for NAACP Image Awards) *** Local Caption *** Tia Mowry;Tamera Mowry

JSC2008-E-038906 (6 May 2008) --- Astronauts Mark Kelly (right), STS-124 commander, and Scott Kelly are pictured in the check-out facility at Ellington Field near NASA's Johnson Space Center as the STS-124 crewmembers prepare for a flight to Kennedy Space Center in NASA T-38 trainer jets.

1976: (L-R) Twin sisters & advice columnists Ann Landers (Esther Eppie Lederer) and Dear Abby (Pauline Phillips, aka Abigail Van Buren). (Photo by Declan Haun/Timepix/Time Life Pictures/Getty Images)

INDIO, CA - APRIL 25: Musicians Kim Deal (L) and Kelley Deal from the band The Breeders perform during day 1 of the Coachella Valley Music And Arts Festival held at the Empire Polo Field on April 25, 2008 in Indio, California. (Photo by Karl Walter/Getty Images)

GLENDALE, CA - NOVEMBER 9: (L-R) Musicians Gunnar and Matthew Nelson stand backstage as they attend the Love Ride 20 at Harley-Davidson/Buell of Glendale November 9, 2003 in Glendale, California. The yearly motorcycle cruise and concert, hosted by Grand Marshal Jay Leno, benefits the Muscular Dystrophy Association, Reading by 9 and other charities. (Photo by Amanda Edwards/Getty Images)