Martha Stewart stopped by the ‘Today’ show on Monday, where she saw her ‘Sports Illustrated Swimsuit’ cover for the first time. Martha, who is 81 years old, looks stunning on the mag’s annual issue and the lifestyle expert says she thinks she ‘met the challenge.’ Martha is one of four cover models. Megan Fox, Kim Petras and Brooks Nader also grace the cover, available on newsstands May 18. Source