cutesy
From Longman Dictionary of Contemporary Englishcutesycute‧sy /ˈkjuːtsi/ adjective BEAUTIFUL/GOOD-LOOKINGtoo pretty or clever in a way you think is annoying She spoke in a tiny cutesy voice.Examples from the Corpuscutesy• But one look at the wall of guitars on this bunch of cutesy college kids and memories of Chapterhouse flood back instinctively.• All the cottages had cutesy names like "Sea Shanty" painted above their doors.• She knew her animal, all at once, no question: not cutesy, not brave, not magnificent.