April 21, 2011 6:32 pm Rebecca Black to Haters: “What Did I Do? I Sang About a Day” The thirteen-year-old YouTube phenom also reveals who she wants to sing her song, “Friday,” if it is featured on Glee. For more exclusive videos go to ExtraTV.com US & World Videos 0:53 Police in New Jersey wrangle runaway “ham-some” pig 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance