R&B superstar Usher was given the task of kicking off Fashion Rocks 2014 at the Barclays Center of Brooklyn on Tuesday, September 9th, and as always with the 35-year-old crooner, it was a dazzling showcase for the smooth voice and slick moves.

He performed his latest single, "She Came To Give It You", from his upcoming album, which is rumored to be entitled 'UR' and has been pushed back to 2015 after his two singles failed to impress on the charts. Watch his performance, which features model Jourdan Dunn, beneath:

Combined music and fashion in the spirit of the Fashion Rocks event, British import Rita Ora paid homage to another Brit when she cover David Bowie's classic 1980 hit, "Fashion", at the star-studded event, which aired live on September 9th.

The performance comes on the heels of it being announced that the Diane Warren-penned "Grateful", will serve as the new single from her forthcoming studio album, which will be released next year in the United States. Watch the performance beneath:

Bringing some southern charm to New York City, country music superstar Miranda Lambert touched down at the Barclays Center of Brooklyn on Tuesday, September 9th, to deliver a sassy (and out of tune) performance of "Little Red Band".

The track is lifted from her recently-released fifth studio album 'Platinum', which debuted at No.1 earlier this year and has produced the hit country singles "Automatic" and "Somethin' Bad" with Carrie Underwood. Watch her performance of the tune beneath:

Like wine, Jennifer Lopez just seems to get better with time. The superstar stunned the crowd in a Versace gown as she arrived on the red carpet for the 2014 Fashion Rocks event at the Barclays Center in Brooklyn, New York on Tuesday, September 9th.

She was one of the event's featured performers and her appearance comes after she served as the first guest on 'The Meredith Vieira Show', where she dished on being single and taking a break from relationships. Watch a clip from her appearance and peep full shots beneath:

The best booty in the industry was the center of attention at the star-studded 2014 Fashion Rocks event as Jennifer Lopez entertained the crowd with a rousing performance of "Booty", the newest single lifted from her 'A.K.A.' album.

Held at the Barclays Center of Brooklyn on Tuesday, September 9th, the 45-year-old slayed the stage, while show off some fierce moves that highlighted her famous derriere. The video for the song is scheduled to premiere later this week, but until then catch her performance below: