Britney Spears took the stage late Tuesday at the House of Blues, making what is believed to be her first public concert appearance in nearly three years. Starting the five-song set with her debut single “Baby One More Time,” Spears was back in top form. The one-time teen pop queen appeared onstage in boots, a sparkly pink bra top and a short white skirt with her belly ring out. Her only words came as she was leaving. “Thanks everyone for coming,” she told the packed club, where people paid upward of $125 a ticket. Earlier this year, the 25-year-old successfully completed a stint at a luxury Malibu drug rehabilitation treatment facility after a bout of headline-generating behavior. 160Want local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set!