Ariana Grande Vs Demi Lovato Mashup!! ft. Madilyn Bailey & Macy Kate December 11, 2017 Ukadmin Celebrity News Ariana Grande Vs Demi Lovato Mashup!! ft. Madilyn Bailey & Macy Kate Ariana Grande Vs Demi Lovato Mashup!! ft. Madilyn Bailey & Macy Kate.