Katy Perry performs live via satellite from Canada on "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Miguel backstage at "The GRAMMY Nominations Concert Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Taylor Swift performs live via satellite from Australia on "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Robin Thicke performs on "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Verdine White performs on "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Macklemore performs on "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Lorde performs on "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Robin Thicke and T.I. perform on "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

LL Cool J and T.I. backstage at "The GRAMMY Nominations Concert Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Keith Urban performs on "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Host LL Cool J at "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Macklemore & Ryan Lewis and Ed Sheeran enjoy "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 6 in Los Angeles

Katy Perry performs on the 56th Annual GRAMMY Awards. Just look at this women. She is fantastic.

This performance was perfect. It was just amazing in every way.

Katy Perry | GRAMMY.com

Katy Perry, Florence Welch And Jessie Ware

Katy Perry | I am so excited for Katy's new perfume! Killer Queen!

Katy Perry

Katy Perry And Fergie

Gloria Estefan And Emilio Estefan | GRAMMY.com

People's sexiest man alive is in the building. Adam Levine looks good on "The Voice" on Dec.  9 in Los Angeles