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From right to left, singers Justin Bieber, Romeo Miller, Trey Songz watch during a BBVA All-Star celebrity basketball game with the Toronto Raptors mascot at the NBA All Star Weekend in Los Angeles, Friday, Feb. 18, 2011. (AP Photo/Jae C. Hong)

From right to left, singers Justin Bieber, Romeo Miller, Trey Songz watch during a BBVA All-Star celebrity basketball game with the Toronto Raptors mascot at the NBA All Star Weekend in Los Angeles, Friday, Feb. 18, 2011.

Justin Bieber the sports fanatic

Yahoo Sports

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