Usher is directing his fans to move their seats to a new spot. The eight-time Grammy Award winner – and new father – will be returning to Las Vegas in a new residency show that launches this July — but at a new venue. After his record-breaking 20-show stint at the Colosseum at Caesars Palace last year, Usher is now moving to Dolby Live at Park MGM for the new show, kicking off July 15. Described as “immersive,” the 23-show, four-month residency will incorporate audience interaction, as the “Let It Burn” crooner performs his previous chart-topping hits and new music at the 5,200-seat entertainm…