Haircuts 2014 - Ariana Grande And Harry Styles, What's going on between harry styles and ariana grande, One direction hottie harry styles is hooking up with a beautiful singer and her name is ariana grande, it has been revealed. the two successful. Ariana grande records song written by harry styles, Harry styles has been busy penning new music for ariana grande. styles is listed as a writer for a song she recorded led 'a little bit of my heart.'.