September 3, 2015 4:40 am ‘Tonight Show': Justin Bieber, Questlove Drum-Off Justin Bieber and The Root’s Questlove have a rematch of their 2010 “Late Night with Jimmy Fallon” drum battle on “The Tonight Show.” 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