Ariana Grande

Ariana Grande will replace Nick Jonas.

Plus, find out how you can get involved.

Who run the world?

"I want that six nine without Tekashi..."

Check out cringe-worthy fashion fails from our favorite celebrity couples.

Fans may have cracked the code.

You need to see Ari's stunning ring!

It's festive, darling!

Trevor Noah is set to host.

Groovy, baby!