Zac Brown has 'retired from drinking' Country star Zac Brown has given up alcohol as part of his healthy new lifestyle which includes a strict diet, regular exercise and cutting out sugar and dairy. 6 August 2025 Zac Brown has "retired from drinking" as part of his healthy new lifestyle. Zac Brown has given up alcohol The 47-year-old country star has undergone a huge change in recent months after deciding to overhaul his diet and exercise regime - cutting out booze along with sugar and dairy - and working out with a former NFL trainer.