Check it. It’s no big secret that Brit Brit got herself a little meth habit a few years back. Girlfriend had to be cranked to keep up with the grueling tour schedule, press obligations, and Starbucks runs. And P.S., those Cheetos ain’t just eating themselves, yo. But this….THIS…well kids, let this be your PSA for Don’t Do Meth. According to promotional pictures for Britney’s new album Circus (which drops on December 2nd – her birthday, natch), Brit Brit ain’t got no right arm. Shit.