The 35-year-old music star has explained that she plans to prioritise fitness once her residency comes to an end in June. "I don't normally do New Year resolutions but I want to build my muscles in my core and my goal at the end is to learn how to do a backflip and not be in pain. So New Year's Eve next year, I'm going to be in such good solid shape - that's going to be such good fun - that I can do a backflip somewhere. I've decided that this year…”