Free Watermelon Sugar ringtone for your phone. Listen first, then download the version you like. The song is performed by Harry Styles. 6 versions are available, from 20 to 39 seconds. If you like pop and soul ringtones, see the tags below. For iPhone or iPad download the .M4R file. For Android and other phones download the .MP3 file. All ringtones by Harry Styles are collected on the artist page.