Brittany Cartwright sheds tears on Special Forces: World's Toughest Test Brittany Cartwright has teased her appearance on Special Forces: World's Toughest Test. 13 August 2025 Brittany Cartwright cried "at least three times" on Special Forces: World's Toughest Test. Brittany Cartwright shed tears on the TV show The 36-year-old reality star appears on season four of Special Forces, the quasi-military training TV series, and Brittany has described competing on the show as the "hardest thing" she's ever done.