Lifestyle Health Fit at 'Almost 40!' Melissa Joan Hart Shows Off Her Toned Body in a Red Swimsuit "It's been awesome trying on different swimsuits and feeling confident," says Hart By Ana Calderone Published on March 28, 2016 02:35 PM Share Tweet Pin Email Photo: Nutrisystem It’s not even April and Melissa Joan Hart is ready for summer! The actress – who has been maintaining her 40 lb. weight loss with Nutrisystem since 2014 – showed off her beach-ready body with a photo of herself in a red one piece on Monday. “I’ve kept off my 40 lb. weight loss and can’t wait for swimsuit season,” she says in a press release. “It’s been awesome trying on different swimsuits and feeling confident.” Hart – who will celebrate her 40th birthday on April 18 – tried on a few suits for a photo shoot with the food delivery weight loss company but credits this red option with a plunging neckline as one of her favorites. “It’s sexy and playful, but still a little reserved,” she says. “Perfect for an almost 40 year old!” In addition to Nutrisystem, the kids clothing designer and mother of three works out at home with her husband Mark Wilkerson to keep her fit physique. RELATED VIDEO: Britney Spears Is One Hot Momma With These New Pics! “Mark recently started training me and a few of my friends at our house. It’s a lot of fun!” she says. “The best part is that when we work out together, we just want to keep going so sometimes we end up working out for hours at a time.” “He motivates me to live a healthy lifestyle and keep up with my workout routines,” she adds.