Jennifer Love Hewitt and Jamie Kennedy buying jewelry together

Jennifer Love Hewitt and her boyfriend Jamie Kennedy have bought matching love bracelets. 04/07/2009 - Jennifer Love Hewitt and Jamie Kennedy - 14th The 'Ghost Whisperer' co-stars - who began dating earlier this year - were spotted purchasing the items at luxury jewellers Cartier in New York. © Donna Ward / PR Photos

04/07/2009 - Jennifer Love Hewitt and Jamie Kennedy - 14th The 'Ghost Whisperer' co-stars - who began dating earlier this year - were spotted purchasing the items at luxury jewellers Cartier in New York. © Donna Ward / PR PhotosThe 'Ghost Whisperer' co-stars - who began dating earlier this year - were spotted purchasing the items at luxury jewellers Cartier in New York.Gossip website E! reports: "They even used the tiny screwdriver that comes with each bracelet to fasten them onto their wrists."The accessories are said to symbolise a couple's commitment to each other.Meanwhile, Jennifer, 30, stunned the audience at one of 38-year-old Jamie's comedy shows by helping him sell merchandise.A source explained: "She has been at his shows and helping him sell stuff, things like mugs and T-shirts."Jennifer starting dating Jamie after splitting from her fiance Ross McCall in January and recently revealed she is the happiest she has ever been.She said: "We just make each other laugh and we're best friends. Even though we haven't been together for very long we are very much alike."The fact he is so hilarious is what makes this relationship work. When you're really funny, there's nothing really bad that can happen. He is a realist and I am a dreamer."