Rob Lowe celebrates Demi Moore as she has received praise for her ‘The Substance’ role amid the current awards cycle in an exclusive interview with PEOPLE. The actress, who costarred with Lowe in ‘St. Elmo’s Fire’ and ‘About Last Night,’ has so far scored a Golden Globes and Critics Choice Awards win, plus nominations at the Academy Awards, the BAFTA Awards, the Screen Actors Guild Awards and the Independent Spirit Awards.