Diaz covers InStyle wearing Valentino

With her new movie \"What to Expect When You\'re Expecting\" set to hit theaters on May 18th, Cameron Diaz amped up promotions by landing the cover of the May 2012 issue of InStyle magazine. The 39-year-old actress looked sexy in a Valentino dress with a Valentino Garavani belt, while opening up about topics including friendship, love, having kids and turning 40. Highlights from Diaz\'s interview are as follows. On her approach to life: \"I\'m living my life as a journey. My quest is to make it better every year”. On movies: \"What I love about movies is how many people they can reach. I don\'t make a movie because I think, This is something I want to say. I just want people to laugh, to cry, to feel.” On friendship: \"Good friendship is basic: Be good to one another, be thoughtful, enrich one another\'s lives. I learn so much from my girlfriends, and I love it.”