The American Music Awards took a pretty big ratings hit Sunday, falling considerably from the show’s 2015 rating and hitting an all-time low in adults 18-49. ABC’s broadcast of the AMAs drew a 2.4 rating in adults 18-49, down 31 percent from last year’s 3.5. It’s the lowest 18-49 rating on record for the awards, whose previous low point was a 3.4 in 2012.