ABSolutely fabulous! Demi Lovato displays her toned tum in a double denim crop top and flares as she performs surprise gig in New York

She always makes time for her loyal fans and has a dedicated army of followers.

But Demi Lovato took her dedication to her devotees one step further on Thursday night as she put on a surprise, a cappella style performance in New York's Times Square.

The 23-year-old singer beamed as she wandered among the unsuspecting tourists, looking incredible as she showcased her slim figure in double denim.

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Dedicated to her fans: Demi Lovato put on a surprise, a capella style performance for her followers on Thursday night  in Times Square, New York City

Dedicated to her fans: Demi Lovato put on a surprise, a capella style performance for her followers on Thursday night in Times Square, New York City

The former Disney Channel actress wowed the thousands who'd gathered, not just with her voice - but with her impressive outfit choice too.

Demi showed off her toned abs in a matching denim two-piece, consisting of a tiny crop top and high-waisted flares.

The high-neck, sleeveless, military-style top was decorated with contrasting stitching and gold buttons.

Demi finished off the look elegantly with towering, platform, black peep-toe heels, which she sauntered expertly in.

Tiny waist: Demi showed off her toned abs in a matching denim two-piece, consisting of a crop top and high-waisted flares

Tiny waist: Demi showed off her toned abs in a matching denim two-piece, consisting of a crop top and high-waisted flares

Double denim: The 23-year-old singer beamed as she wandered in towering heels among the unsuspecting tourists prior to her performance 

Double denim: The 23-year-old singer beamed as she wandered in towering heels among the unsuspecting tourists prior to her performance 

Cover up in Demi's camel coat by Rag & Bone

There are a few essentials that every woman should have in their capsule wardrobe. Of course- a black dress, a trusty pair of pumps, perhaps a leather jacket and without a doubt- a beautiful winter coat.

We're partial to this gorgeous camel color. It's versatile, and classic, sophisticated and so polished.

Rag & Bone has really outdone themselves with this one. The cut and tailoring on Demi is super sharp, and we're keep on the double breasted buttons.

A winter coat is the biggest investment you'll make this season, and when you spend money on important pieces, they can last you a lifetime. So click right if you want to invest in your future, you certainly won't regret it.

But if you can't justify the splurge, don't worry! We've got your covered and coated for winter with our edit of affordable selections below.

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Singing for her fans: The former Disney Channel actress wowed the thousands who'd gathered, not just with her voice - but with her sexy outfit choice too

Singing for her fans: The former Disney Channel actress wowed the thousands who'd gathered, not just with her voice - but with her sexy outfit choice too

Ensuring to stay warm on a chilly October night - the raven-haired beauty layered her outfit with a long, camel-coloured tailored coat.

She wore her glossy locks loosely around her shoulders and highlighted her naturally pretty features with bronzer, pink lipgloss, and a thick coating of dark mascara.

The former X Factor judge had been dropping hints to her followers on Twitter and Instagram about the upcoming gig. 

Staying warm: The raven-haired beauty layered her outfit with a long, camel-coloured tailored coat, to keep out the October chill

Staying warm: The raven-haired beauty layered her outfit with a long, camel-coloured tailored coat, to keep out the October chill

Earlier in the day the singer had posted a snap of the world-famous Times Square, with the cryptic caption 'MIDNIGHT. BE HERE.... #findconfident'.

Encouraging followers to turn up to the concert - she later posted another, all-telling Tweet, which read 'TIMES SQUARE!!! I'm on my way to #findconfident'.

Demi was no doubt just warming herself up for the release of her new album Confident, which was released on Friday.

The star is in good spirits once again, after telling her fans a fortnight ago she was 'heartbroken' following the death of her beloved great-grandfather. 

Dropping hints: Earlier in the day Demi had posted a snap of Times Square, with the caption 'MIDNIGHT. BE HERE'

Dropping hints: Earlier in the day Demi had posted a snap of Times Square, with the caption 'MIDNIGHT. BE HERE'

Sharing a black and white picture of her 'Papa', the singer asked her 23.6million followers to pray for her great-grandmother after he passed away aged 88.

Alongside a picture of her beloved relative and her puppy Buddy, who passed away in July after an accident, she wrote on Instagram: 'My two favourite Buddy's are now playing in Heaven.

'My heart is absolutely broken and I can't even begin to imagine a world without my Papa but I know one day we'll meet again and that's what keeps me going. 

'I hate writing this... But RIP Papa... I miss you so much already. I love you. Please keep my Mimaw in your prayers [sic].'  

Grinning: Demi wore her glossy locks loosely around her shoulders and highlighted her naturally pretty features with bronzer, pink lipgloss, and a thick coating of dark mascara

Grinning: Demi wore her glossy locks loosely around her shoulders and highlighted her naturally pretty features with bronzer, pink lipgloss, and a thick coating of dark mascara

Just a warm up: The singer was no doubt just getting herself ready for the release of her new album Confident, which was released on Friday

Just a warm up: The singer was no doubt just getting herself ready for the release of her new album Confident, which was released on Friday

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