Darren Criss Performs Beethoven By Britney Spears

Clark Gregg performs Britney Spears' "Toxic" | Lip Sync Battle

Clark Gregg performs Britney Spears' "Toxic" | Lip Sync Battle

It's Britney, Britain: Spears performs in London

It's Britney, Britain: Spears performs in London

Britney Spears performs in Manila for first time

Kaley Cuoco Performs "Slave 4 U" By Britney Spears

Kaley Cuoco Performs Britney Spears' 'I'm A Slave 4 U' on 'Lip Sync Battle'

Lip Sync Battle: Clark Gregg performs Britney Spears' "Toxic"

Glee Cast Performs Toxic By Britney Spears with Mr Schuster.

Britney Spears Performs At Planet Hollywood For First Time Since Since Vegas Tragedy

A Drunken Darren Criss Performs "Teenage Dream"

Darren Criss Performs Not Alone Barack Obamas Inauguration Jan 19 2013

GLEE - Darren Criss Performs- Something's Coming Full

Darren Criss Performs Acoustic Teenage Dream

Darren Criss Performs 'I Wanna Be Like You' - The Disney Family Singalong

GLEE Darren Criss Performs Hopelessly Devoted To You Full Video

GLEE: Darren Criss Performs - It's Not Unusual By Tom Jones

Britney Spears' manager denies claiming Britney may never perform again

Jamie Lynn Spears performs live Ms Mississippi and Oops I Did It Again

Britney Spears Will Perform Again Soon

Darren Criss No Longer Has a Problem Being Naked On-Screen

Ellen - Darren Criss Plays 'Heads Up!'

Darren Criss Faked a British Accent for Four Years

Darren Criss Got a Pedicure at Ricky Martin's House

Lea Michele Reunited with Her Glee Co-Stars in NYC

Computer Games, Darren Criss - Lost Boys Life (Official Video)

Epic Journey 2

El gusanito electoral Movie Comedy funny

Britney Spears Love 2 Love U Previously Unreleased Song

The Teller and the Truth Official Teaser Trailer 1 2013 HD Andrew Shapter Movie

Dead Europe Official Movie Trailer 2012 HD

Rusia Le saca el dedo al Presidente USA Barack Obama

Drama at Chateau Marmont

Charli XCX Confirms Songwriting for Britney Spears

A Call to Mindfulness

Britney Spears has denied having a 'breakdown' at the Chateau Marmont

Britney Spears’ sister Jamie Lynn Spears has marked their mum’s 69th birthday amid the singer’s alleged hotel bust-up drama

Britney Spears' Explosive Rant Against Sister