>> Read more trending news
Scarlett's story is featured on her webpage.
She was freed with six other dogs in 2016 thanks to the help of a rescue charity in the United States. She was adopted in 2017, the Mirror reported.
The Mirror is a sponsor of the awards, along with the RSPCA.
Other categories of Animal Hero Awards, which can go to either the animals themselves or animal advocates, include Hero Animal of the Year, RSPCA Superstar and Young Animal Hero.
The awards are being handed out at a ceremony at London's Grosvenor House Thursday.