“Extra” caught up with Rumer Wills at the premiere of her new Western “Trail of Vengeance.” She dished on how excited she was to jump into the genre — so much so that she even ended up keeping her horse from the movie! Rumer also shared that her daughter Louetta was with her on set every day and how special it was since she did the same with her parents as a child. Plus, Rumer reacted to her mom Demi Moore’s latest, the over-the-top, body-horror thriller “The Substance,” admitting it was “a lot” for her to watch. She shared what Demi is like as a grandma, revealing that she does “all the contraband” and treats!