LifestyleThe Cupcake Queen03:23This browser does not support the video element.Lifestyle04/18/2015April 18, 2015We meet Austria’s first professional cupcake maker, Renate Gruber. Her motto is "Happiness has no calories". She was inspired after a trip to London, and now her cupcakes have taken off in a big way in Vienna with her company CupCakes Wien.Copy linkAdvertisement