India, Nov. 1 -- American singer Harry Styles brought a touch of rock 'n' roll nostalgia to the stage as he wrapped up his 30-show run in New York with two nights of Harryween, his annual Halloween-themed concerts. On Friday, Styles surprised fans by dressing up as music legend Elvis Presley, sporting the latter's signature white jumpsuit, a satin-lined cape and gold sunglasses. Cheering him on from the audience was Elvis' granddaughter and actor Riley Keough, who was seen recording the performance on her phone alongside Styles' fiancee, actor Zoe Kravitz. htc...