Warner Bros has released the second trailer for the upcoming film "Barbie," directed by Greta Gerwig and starring Margot Robbie as Barbie and Ryan Gosling as Ken. The trailer showcases a colorful world filled with humor and introduces the human characters in the Barbie universe, including Will Ferell as the owner of Mattel and various stars playing different versions of Barbie, such as President Barbie played by Issa Rae and Diplomat Barbie played by Nicola Coughlan. The film, based on Mattel's famous Barbie doll, is set to release in the US on July 21 and internationally from July 19.