Julia Roberts On The "Dreamy" Sean Penn, Her Co-Star In "Gaslit"

Stephen's interview with Julia Roberts continues with a chat about her "Gaslit" co-star Sean Penn, who underwent an incredible transformation to play Attorney General John N. Mitchell in the series. Stick around for more with Julia Roberts, and check out her performance in "Gaslit" when it premieres this Sunday on Starz. #Colbert #Gaslit #JuliaRoberts