The 2014 edition of the iHeartRadio Music Festival kicked off on Friday night (Sept. 19) at the MGM Grand Garden Arena in Las Vegas with live performances by: Taylor Swift, Coldplay, Nicki Minaj, Usher and Ariana Grande.

Taylor Swift was the first singer and she rocked the MGM Grand Garden Arena with performances of old and new music. She performed “We Are Never Ever Getting Back Together”, “Love Story”, “22”, “I Knew You Were Trouble”, & her #1 song “Shake It Off”

British rock band Coldplay moved everyone at the arena with their uplifting songs. Chris Martin and company closed their set with their Avicii-produced hit “A Sky Full of Stars”.

Nicki Minaj performed a 30-minute set that included a bunch of her most popular songs as well as her recent monster hit “Anaconda”.

Ariana Grande performed a few tracks from her new album “My Everything” and also had time to plug her collaboration with Jessie J, “Bang Bang”. She even brought Nicki Minaj on stage to perform the two their respective parts.

Usher set the stage ablaze with show stopping performances, and treated the crowd with a surprise when he was joined by Chris Brown for a dance-off and joint performance of “New Flame” – the latest urban hit from Chris’ “X” album.

We also have the privilege to watch legend band Motley Crue and & Steve Aoki.

Here are some photos of the Backstage Red Carpet

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Usher at the iHeartRadio Festival at MGM in Las Vegas

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Taylor Swift at the iHeartRadio Festival at MGM in Las Vegas

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Chris Brown at the iHeartRadio Festival at MGM in Las Vegas

courtney-bingham-sixx

Courtney Bingham-Sixx at the iHeartRadio Festival at MGM in Las Vegas

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Tiesto at the iHeartRadio Festival at MGM in Las Vegas

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SIXX:A.M. at the iHeartRadio Festival at MGM in Las Vegas

magic

Bastille at the iHeartRadio Festival at MGM in Las Vegas

ryan-seacrest

Ryan Seacrest at the iHeartRadio Festival at MGM in Las Vegas

steve-aoki

Steve Aoki at the iHeartRadio Festival at MGM in Las Vegas

nikki-sixx

Nikki Sixx at the iHeartRadio Festival at MGM in Las Vegas

taylor-momsen

Taylor Momsen at the iHeartRadio Festival at MGM in Las Vegas

pete-wentz

Pete Wentz at the iHeartRadio Festival at MGM in Las Vegas

Bastille

Magic! at the iHeartRadio Festival at MGM in Las Vegas

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Karina Smirnoff & Randy Couture at the iHeartRadio Festival at MGM in Las Vegas

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Jonathan & Drew Scott at the iHeartRadio Festival at MGM in Las Vegas

Arielle-Kebbel

Arielle Kebbel at the iHeartRadio Festival at MGM in Las Vegas

For more information click here.

Photos: PRphotos