Justin Bieber the sports fanatic

ÁLOS ANGELES, CA - FEBRUARY 20: Singer Justin Bieber (L) with Chicago Bulls mascot 'Benny the Bull' in the audience during the 2011 NBA All-Star game at Staples Center on February 20, 2011 in Los Angeles, California. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Kevork Djansezian/Getty Images)

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Justin Bieber was spotted at the Pittsburgh Steelers' Bible study on Saturday night. The international star is a big sports fan.