Dwight Howard is pushing back against claims that he has a substance abuse issue after his wife, Amber Howard - also known as Amy Luciani - shared a tearful video suggesting the former NBA star had been abusing cocaine. Source: Mike Coppola / Getty The former Los Angeles Laker took to social media to address the allegations, flatly denying he's ever used cocaine in a post on Snapchat. "Never done coke in my life yall will believe everything yall see on the internet lol," Howard wrote in the message.