 Martha Stewart became the oldest swimsuit model to be featured in sports illustrated at age 81, shocking the public with how great she looked in the process. Of course, this sparked a lot of speculation from fans, wondering just how Martha seems to keep herself looking so young, maybe even getting better looking with age. Martha denies getting any plastic surgery and even claims she's not fond of Botox. According to the star, she says it's mostly to do with diet, skincare treatments, her health regimen, and being careful in the sun, no wonder.