I think it's her way of flipping off the folks who think her brother's a child molester.
FYI, Houston PD is referring callers to phone local CBS affiliate and the NFL. Houston P D's media office is closed, and the call-taker had "no comment" as to whether public nudity laws were broken tonight by Janet Jackson.
NFL Phone # 212-450-2000
CBS Main Network Broadcast Phone # (212) 975-4321
AOL Corporate Phone Number # (703) 265-4670