Video: Ashton Kutcher reunites with No Strings Attached co-star Natalie Portman for workout session… as he calls wife Mila Kunis’ film Friends With Benefits with Justin Timberlake ‘basically the same movie’ ‘We were all making out with each other’ Natalie Portman spoke with Ashton while running on a peloton bike about filming with both him and his wife Mila Kunis right after each other. Share this video: Video: ‘We were all making out’ Natalie Portman jokes with Ashton