Splash News Online; Doug Meszler/Splash News
09/12/2008 AT 04:15 PM EDT
dressed up as one of New York's finest while filming a music video in N.Y.C for her upcoming single "If I Were a Boy." But she's not the only musician to join the ranks of law enforcement on video. Joe Jonas also wore the uniform (and quite a 'stache!) while filming a scene for the Jonas Brothers
' upcoming 3-D concert film. Tell us: Who makes the best cop?
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