♪ on Instagram: "Natalie Portman and Ashton Kutcher had a naturally easy and friendly chemistry while working on No Strings Attached, and both were more involved than usual because they served as executive producers. Portman chose the film because she wanted something light and fun after the intensity of Black Swan, and she said the script felt modern and honest since many people try no strings relationships even though emotions eventually get in the way. Kutcher explained that he found the stor