The Argentine businessman isn't just suing Geoff Payne for damaging his reputation, but also for alleging that the British singer was under his care during his final days.

Liam Payne’s tycoon pal Roger Nores slapped the late star’s father with a defamation lawsuit Thursday for suggesting he plied the singer with drugs and had “full responsibility” for him before he plunged to his death from a hotel balcony.