The 'World's Hottest Grandma' is offering a free subscription to her premium account -- which is home to her 'very hottest paid content' -- if you can prove you donated to Australian bushfire relief efforts.
Gina Stewart, 49, is an Australian model. "It’s the least I can do,” Stewart told The Sun. “My brother is an actor down in Sydney, he’s been working every day as a volunteer firefighter. His house has been really close to the firefront — so he’s literally fighting for his community."
If you're into it, details on what to do below!