It’s official: Demi Lovato will appear on the final season of Will & Grace. The 27-year-old “Skyscraper” singer will portray Jenny, a woman who enters Eric McCormack‘s character Will’s life in an unexpected manner. Lovato added a photo on Instagram of herself on the set. View this post on Instagram Will & Grace & Demi 💁🏻♀️📺 @nbcwillandgrace […]