DUBAI: British singer Adele showed off a gown by Lebanese designer Elie Saab during her Las Vegas residency over the weekend. The Grammy-winning singer performed her 42nd “Weekends with Adele” concert in a sleek black, off-shoulder gown with a deep V-neck. “Captivating elegance, @adele graces the stage in Vegas in (a) … custom made Haute Couture gown,” read a post on the official Instagram page of Elie Saab. Adele has previously chosen other designers from the region to wear during her residency, including Zuhair Murad and Georges Hobeika. The residency is set to conclude in November this year.