Adele's mega-money residency in Las Vegas started triumphantly on Friday night – but behind the scenes there has been drama, with the singer shunning a luxury suite at a hotel owned by Caesars Palace, where the show is being staged. The iconic Vegas mainstay offered swanky accommodation at the Palazzo Suites at the Rio Casino as part of her deal to sing at the Caesar’s Palace Colosseum for a reported $1 million a night. The suite was said to be a luxury lodging, with a butler thrown in and the plan was for Adele to spend weekends holed up there...