Lewis Capaldi told a fan that she might get dumped after she ditched her boyfriend on his birthday to go to the Scots star's gig.
The Pointless singer spoke to a woman in the front row during his gig in Birmingham last night.
The fan told Lewis that she had left her partner at home on his birthday, which left the singer shocked. Lewis asked her how she could be so ruthless, and said: "He may dump you!"