Possible Clues:

• Precious to excess
• Dainty model, little
• Quaint, cute
• Pretentiously sentimental? Time to go!
• Primarily treacly, tiny, over-pretty
• Message that's short and sentimentally sweet
• Cute social media post cut
• Terribly winsome, excessively endearing, just for starters
• Insipidly sweet short message broken off
• Too cute, to Brits