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Olympics Day 8 - Cycling - Track

LONDON, ENGLAND - AUGUST 04: Sir Paul McCartney, Stella McCartney and Alasdhair Willis attend the Women's Team Pursuit Track Cycling Finals on Day 8 of the London 2012 Olympic Games at Velodrome on August 4, 2012 in London, England. (Photo by Quinn Rooney/Getty Images)

Paul McCartney is Team GB's good luck charm

Music legend Paul McCartney is showing his support for Team GB, and it's paying off. Seems just about whenever the former Beatle is in the stands, Great Britain gets a gold. -- By Paul Martella, Yahoo! Sports