Royals How Meghan Markle Helped Prince Harry Quit Smoking and Get Fit: 'She's a Beautiful Influence' "Harry has lost weight, started a healthier diet and even gave up smoking cigarettes," a source tells PEOPLE of Meghan's positive effect By Aili Nahas Aili Nahas Aili Nahas is the West Coast Deputy News Editor at PEOPLE. She is also the TV deputy in Los Angeles as well as the Weddings Editor. Aili has spent nearly two decades in the entertainment industry and 12 years at PEOPLE. People Editorial Guidelines Published on June 1, 2018 11:50 AM Share Tweet Pin Email On his May 19 wedding day, Prince Harry was in possibly the best shape of his life — and he has his new wife, Meghan Markle, to thank for the inspiration. “Meghan is a beautiful influence on Harry,” an insider tells PEOPLE. “They both worked hard to be the healthiest they could be before they got married.” Want to keep up on the latest from PEOPLE? Sign up for our daily newsletter to get our best stories of the day delivered straight to your inbox. According to the source, the couple teamed with Gabriela Peacock, a nutritional advisor to the royal family and founder of GP Nutrition. Harry, 33, is a fan of her Clean Me supplements for immune system support and healthier skin and nails. “Meghan encouraged Harry to get rid of any remnants of his party lifestyle,” says the insider of the former Suits star, 36, a yoga devotee who follows a semi-vegan diet. “She wanted him to get in shape and be healthy.” For more on Meghan’s new life, check out this week’s issue of PEOPLE, on newsstands Friday. And her efforts worked. “Harry has lost weight, started a healthier diet and even gave up smoking cigarettes,” a source says. “They both felt amazing leading up to the wedding. And he couldn’t have done it without her support.”