Grammy-winning singer Duffy cameoed on TikTok this week in what was believed to be her first public appearance in over a decade, to promote a remix of her song "Mercy." In a post by e.motion ...

Singer Duffy -- best known for her 2008 hit "Mercy" -- has made a surprising appearance in a social media video, marking what seems to be the first time the public has seen the Grammy winner in ...