The "Hello" singer used to be a "massive drinker" but following a vocal cord haemorrhage in 2011 that led to surgery, and the birth of her son Angelo in 2012, she adopted a healthier lifestyle, quit smoking and now only drinks two glasses of wine a week, reported Contactmusic.
"Having a hangover with a child is torture. Just imagine an annoying three-year-old who knows something's wrong...