In 2015 , Weitz directed the film , '' Grandma '' , which starred Lily Tomlin . The film premiered at the 2015 Sundance Film Festival on January 30 , as the closing night film . The film was Tomlin 's first leading role in 27 years , after co-starring with Bette Midler in the comedy film '' Big Business '' ( 1988 ) . It is the second collaboration between Tomlin and Weitz , who previously directed her in his film '' Admission '' ( 2013 ) . The film was released on August 21 , 2015 , by Sony Pictures Classics
2015 Sundance Film Festival
2015 Sundance Film Festival
Paul Weitz (filmmaker)