iHeartRadio Music Awards Thirty Seconds to Mars Performs City of Angels

iHeartRadio Music Awards 2014 Jared Leto 30 Seconds To Mars Performs Live

iHeartRadio Music Awards 2014 Ariana Grande performs Live

iHeartRadio Music Awards 2014 Adam Lambert

Bruno Mars Performs At The 63rd Annual Grammy Awards

iHeartRadio Music Awards 2014 Michael Jackson Usher Performs Live Love Never Felt So Good

iHeartRadio Music Awards 2014 Rihanna Artist Of The Year Award

Grammys Awards 2015 -- AC/DC Performs A Medley of Their Songs

Rihanna Performs "Bitch Better Have My Money" at iHeartRadio Music Awards

Thirty Seconds To Mars Stay the Live Lounge

BBC Music Awards 2014 - Coldplay "A Sky Full Of Stars"

The World Music Awards 2014 Mariah Carey Meteorite Live

iHeartRadio Music Festival 2013 Katy Perry Roar

iHeartRadio Music Awards Live on May 1

Miranda Lambert Performes At The 63rd Annual Grammy Awards

Katy Perry Dark Horse feat Juicy J iHeartRadio Music Festival 2013

Lady Gaga performance The Hills Are Alive for Sound of Music Tribute - Oscars 2015

Oscar 2014 Karen O Performance The Moon Song

Justin Timberlake Cry Me A River iHeartRadio Music Festival 2013

56th Grammy Awards Pink Try Just Give Me A Reason feat Nate Ruess

Grammy Awards 2014 Robin Thicke Chicago Performance Blurred Lines

Justin Timberlake Take Back The Night iHeartRadio Music Festival 2013

Jason Aldean Performs "Burnin' It Down" at iHeartRadio Music Awards

Justin Timberlake My Love iHeartRadio Music Festival 2013

Grammy Awards 2014 Macklemore Ryan Lewis Best New Artist award

Katy Perry Performs Live Roar at 2013 Grammy Nominations Concert