She's back with a Bang Bang! Jessie J rocks a bright blue plunging playsuit as she debuts new single in New York City

Her new track has just catapulted straight to the top of the iTunes chart in the US.

And Jessie J was back with a winning look as she premiered her new song Bang Bang on Z100 radio station's The Elvis Duran Show in New York City on Monday night.

The British singer, who has teamed up with her fellow Universal Republic label singers Ariana Grande and Nicki Minaj for the toe-tapping tune, debuted a stripped-back acoustic version of the summer hit live on air following a 15-minute interview.

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Power dressing: Jessie J works a playsuit and red heels during her Z100 interview in New York

Power dressing: Jessie J works a playsuit and red heels during her Z100 interview in New York

Jessie struck a confident pose upon arriving at Z100 Studios in an electric blue playsuit, which she wore belted at the waist and teamed with killer red stilettos.

She added an edge to her outfit with some statement gold bling, including a Chanel necklace, and styled her hair slicked back in a low ponytail.

The Price Tag hitmaker had every reason to smile since the track has sent fans into a frenzy online, with #BangBang and #BuyBangBangOnITunes trending on Twitter this Tuesday.

Bold in blue: The popstar added glamour to her outfit with some statement gold bling, including a Chanel necklace, and killer red stilettos 
Vibrant: Jessie also accessorised her classy attire with a black and white statement handbag

Bold in blue: The popstar added glamour to her outfit with some statement gold bling, including a Chanel necklace, and killer red stilettos 

Making an impact: Jessie J turned heads in her bold style choice as she styled her hair slicked back in a low ponytail

Making an impact: Jessie J turned heads in her bold style choice as she styled her hair slicked back in a low ponytail

Peace: The singer looked effortlessly stylish in her blue getup in New York this week

Peace: The singer looked effortlessly stylish in her blue getup in New York this week

Feeling proud: Jessie looked delighted with the fan reaction to Bang Bang

Feeling proud: Jessie looked delighted with the fan reaction to Bang Bang

The vocal powerhouse giggled away with radio host Elvis Duran during the interview as she revealed she was in the States to shoot the music video with Nicki and Ariana in Los Angeles.

The song is thought to have leaked online last night before Jessie quickly posted a link to the audio.

The 26-year-old star couldn't contain her excitement at the positive reaction, sharing a screen grab of the US iTunes chart on Instagram.

She gushed: 'I can't even breathe! Tears of joy! You have no idea how much this means! Thank you THANK YOU'.

Bang Bang is the first single from Jessie's third solo album and it will also appear on the deluxe version of Ariana’s new record My Everything this August.

The track can be pre-ordered in the UK ahead of its September 28 release date.

Having a laugh: The singer and Elvis Duran got on like a house on fire during his show

Having a laugh: The singer and Elvis Duran got on like a house on fire during his show

Homegrown talent: Jessie has come a long way since winning the BRITs Critics' Choice Award in 2011

Homegrown talent: Jessie has come a long way since winning the BRITs Critics' Choice Award in 2011

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