gq: A special tribute to Simon Cowell was presented in the finale for his final season with the show. Many figures from the show's past, including Paula Abdul, made an appearance.
Question: Why did Paula Abdul appear on the season nine finale of American Idol? Question: Who had their final season in the show in season nine? Question: Who had a special tribute at the finale? Question: Which former Idol star made an appearance for Cowell's tribute?