The Grammys Attract Its Biggest Audience in a Decade 10.03K Brian Moylan 02/14/11 12:26PM Filed to: Ratings Ratings Grammys lady gaga Justin bieber Gettypic Tweetg Tweetd About 26.5 million people tuned into see just which way Lady Gaga was born at the Grammys last night. That's the show's largest audience since 2001. That also means a record number of people saw Justin Bieber lose. Perfect!