At the end of her encore at Monday night's Edmonton, Canada show, Britney Spears told the audience, "We're going to rock out with our c*cks out!" This comes a month after she had another hilariously innapropriate mic slip-up at one of her Circus stops.

Fast forward to the 7:00 mark for the mishap:

Maybe it would be better for Britney to go the Milli Vanilla route in her concerts from here on in.