Janet Jackson is set to begin her Las Vegas residency within months. The 58-year-old singer has agreed to perform a series of concerts at Resorts World Las Vegas, starting around the holiday season, and Janet believes it’s the “perfect setting for this new chapter”. Mo Elmasri, her manager, told DailyMail.com: “We are thrilled to announce Janet’s upcoming residency at Resorts World Las Vegas. “This partnership offers a unique opportunity to celebrate her legacy and deliver unforgettable performances. “The energy and excitement of Las Vegas, especially around the holiday season, make it the per…