Singer Britney Spears to headline show in Las Vegas

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Singer Britney Spears poses at the premiere of "The Smurfs 2" at the Regency Village theatre in Los AngelesNEW YORK (Reuters) – Britney Spears, the pop star and former "X-Factor" judge, is heading to Las Vegas with a two-year residency deal to perform at the Planet Hollywood Resort and Casino. The former child star, whose hits include "Baby One More Time" and "Toxic," will perform 50 shows a year starting on December 27. Tickets for the shows go on sale on Tuesday. "I love it here. The energy here is really, really good," Spears said in an interview from Las Vegas on Tuesday on ABC's "Good Morning America. …