Yahoo!-ABC News Network | © 2016 ABC News Internet Ventures. All rights reserved. More Lara Spencer explains what is buzzing on the "GMA" Pop News Heat Index. 2:23 | 09/08/11 Now Playing: Buying a Gym Membership Now Playing: Nick Jonas on Living With Diabetes Now Playing: Star-Studded Premiere for "The Tonight Show Starring Jimmy Fallon" Now Playing: Late Night Comics Slam Justin Bieber Now Playing: Justin Timberlake,cheap jordans,cheap jordans online,cheap jordan shoes,jordans for cheap,hijk8741, Jimmy Fallon Score Big on 'Saturday Night Live' Now Playing: Seaworld Battles Accusations of Animal Mistreatment Now Playing: A&E Receives Death Threats Over 'Duck Dynasty' Star's Suspension Now Playing: Nigella Lawson's Personal Assistants Acquitted in Court Now Playing: Beyonce's Surprise Holiday Shopping Trip to Walmart Now Playing: Rob Ford Shows Off Dance Moves in Toronto City Hall Now Playing: Glenn Close Uses Star Power to Urge Passing of Mental Health Bill Now Playing: Binge Watching of Television is Becoming a New Norm Now Playing: New Beatles Recordings to be