Possible Clues:

• Flower duke pruned is sentimentally pretty
• Aunt weeps, admits being excessively sentimental
• Very sentimental daughter jumping out of river
• Precious artefact we examined in the centre
• Terribly sweet with no end of mawkishness
• Sentimental e-message terminated prematurely
• Short message missing end product is excessively sentimental
• Message on Twitter is short and sweet
• Affectedly dainty, to Brits
• Precious, musically