04/02/2009 at 12:10 PM EDT
Following weeks of buzz in the blogosphere that Lindsay Lohan
's svelte figure is not the result of healthy eating and exercise, but instead due to her downing Red Bull, smoking cigarettes and eating candy, comes a new report claiming the actress, 22, is on a liquid diet that consists of drinking at least three Red Bull energy drinks a day.
But Lohan's rep is slamming such rumors, telling PEOPLE exclusively: "Lindsay has always enjoyed a Red Bull, but she eats. Everybody needs to mind their own business and stop worrying about what Lindsay eats or doesn't eat."
On the career front, Lohan's rep also refutes a claim that the actress doesn't use her own spray tan line
, Sevin Nyne, which launches this month on Sephora.com, but chooses Fake Bake services instead. Says Lohan's rep: "She uses her own tanning products."