The pair were sporting matching pink cowboy hats in honour of her upcoming album, Joanne. It seems we'll have to wait to find out when the pair will be singing together, but we can't wait. Gaga will become the latest pop diva to showcase her singing skills following Britney Spears, Adele and Sia who previously took to the show. Lady Gaga's fifth album is due out October 21, you can watch the 'Perfect Illusion' music video below: More stories: Table for Two | ‘My stepdad would get on better with him’ Gay love in America’s Bible Belt explored in new LGBT series ‘Feral’ – WATCH
Brian May on Queen's 50th anniversary plans: 'We want to celebrate being alive and live'