Thor actor Chris Hemsworth has discovered the dramatic filter on his Instagram, and shirtless selfies will never be the same. https://www.instagram.com/p/BdKK9_Hlahy/   The gay rights ally also shared videos of his new toy: “Look at the size of it!” https://www.instagram.com/p/BdL4E20FQo5/?taken-by=chrishemsworth   https://www.instagram.com/p/BdL3dSsFX5A/?taken-by=chrishemsworth