While bringing their sexualized performances of their collabo "Do What You Want" everywhere these days, it's no wonder R.Kelly said on Sunday night's 2013 AMAs red carpet that he felt he had met his match in Lady GaGa.

Check out the twosome's Oval Office freakiness during "Do What You Want" on stage at the VMAs inside...

Kendrick Lamar may have boycotted the GQ Men of the Year party....even though he's one of their cover subjects....all to make the point that he won't tolerate negative journalism.  But it was all positive vibes at Sunday night's AMAs.  Check out KL take the stage inside...

Justin Timberlake walked away as one of the biggest winners of the night....surprise surprise.  And he also rocked the 2013 AMAs stage with a live performance off his 20/20 Experience Part 2 album, "Drink You Away."

Check out JT and his jook joint style band inside...

After copping the Female Artist of the Year Award, Rihanna made history as the first recipient ever of the American Music Awards ICON Award. And she received it from Bill Maher and her super proud mom. Peep the videos inside, including her performance of "Diamonds"...

The YBF crowd glammed it up, with some even throwing it back to the 90's, for Sunday night's 2013 American Music Awards.  Check out the fabulous looks that hit the carpet before the big show inside....

Mariah Carey appeared at the OUT100 Gala last night wearing a long sexy gown with a cleavage-bearing leather corset and matching gloves. See the outfit inside and read Mimi's "diva" blowup at her sound engineer's error!

Models Liya Kebede, Iman and Beverly Johnson put their fabulousness on display last night at the 2013 GLAMOUR Women of the Year Awards at Carnegie Hall in New York City.  Peep the pics inside and why Liya was honored for her fab charity work...