Grammy winner becomes first person on social media site to collect that many thumbs up
Season finale of NBC singing competition will also feature Tim McGraw and Ed Sheeran performances
A Season 2 semifinalist, I blog about the NBC competition every week for TheWrap
Usher and Carson Daly reunite from "TRL", and Blackberry comes back to Hollywood with a pitch. Plus: "Twilight" author Stephenie Meyer and the "Game of...
Shakira and Usher will replace Cee Lo Green and Christina Aguilera, who are taking time off to pursue other obligations
Telemundo has partnered with Klout, Trendrr and Shazam for the awards show on Thursday