The music video ‘Gimme! Gimme! Gimme!’, featuring vocals from Amanda Seyfried, from the motion picture ‘Mamma Mia!’, has been posted online. Amanda stars in the film version of the musical, which is based on the songs of pop group ABBA, along with Pierce Brosnan and Meryl Streep. The Universal Pictures film his theaters in America on July 18th. Watch the video below.