The 47-year-old judge opened the season 22 episode with a strong rendition of the 1985 song Small Town by John Mellencamp. Show host Ryan Seacrest, 49, then showed the tape of Luke performing on Saturday night in Vancouver, Canada, and falling backward after slipping. Katy Perry, 39, also poked fun of Luke for falling while they were critiquing Nya for her effortless performance Read this story