It’s bathing suit season and in the new issue of Digest, stars share their best slim-down secrets. “I’m not naturally thin, so it’s something I definitely work on,” admits Heather Tom (Katie, B&B), who details her workout regimen. “I try really hard to eat healthy,” says GH’s Hayley Erin (Kiki). “During the week, I eat a lot of fresh vegetables and work them into different meals.” Y&R’s Miles Gaston Villaneuva (Luca, Y&R) and DAYS’s Christopher Sean (Paul) also weigh in and nutritionist Rachel Graham (www.livehealthynyc.com) shares her best summer health tips. Read all about it in the new issue, on sale now.