Fleur East puts on a VERY racy display in low-cut red crochet dress as she leads the pop performances at Girlguiding concert

PUBLISHED: 18:22, 2 July 2016 | UPDATED: 23:43, 2 July 2016

She impressed the nation with her vibrant stage presence and powerful vocals on The X Factor back in 2014.

And Fleur East's career is still going strong almost two years later, putting on an incredible performance at the Girlguiding Big Gig concert at London's Wembley Arena in London on Saturday.

The 28-year-old singer chose a surprisingly racy ensemble for her appearance at the teen-oriented event, which saw 20,000 Guides aged 10 and up attend.

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Taking to the stage: Fleur East put on an incredible performance at the Girlguiding Big Gig concert at London's Wembley Arena in London on Saturday

Fleur was clad in a revealing crochet dress with a seriously low-cut neckline and fringe detailing at the hem preserving her modesty.

The Sax hitmaker's semi-sheer scarlet garment showcased her toned figure to perfection as she bounded around the stage.

The chart-topper accessorised her sexy stage look with a single matching crochet glove and a slick of coordinating lipstick.

Racy in red: Fleur was clad in a revealing crochet dress with a seriously low-cut neckline as she performed for a crowd of 20,000 teenage girls

Cheeky! The Sax singer flashed her derriere in the short number, with fringing at the hem preserving her modesty

Energetic: Fleur's semi-sheer scarlet garment showcased her toned figure to perfection as she bounded around the stage

Fleur was joined by a hosts of poptastic acts, including Imani and Jess Glynne.

Jess lit up the stage in a sparkling silver bralet, teamed with an oversized velour jacket and high-waisted trousers.

She completed her menswear inspired ensemble with tight braids and large hoop earrings.

Killer look: The chart-topper accessorised her sexy stage look with a single matching crochet glove and a slick of coordintating lipstick

Meteoric rise to fame: Fleur East's career is still going strong almost two years after placing second on The X Factor

Lucky break: Despite not winning the public vote, the vocal powerhouse impressed show boss Simon Cowell so much that he broke with tradition to offer her a record contract

All-star event: Fleur was joined by a hosts of poptastic acts, including Imani and Jess Glynne

Say You Do hitmaker Imani was dressed to impress in a cute baby pink boiler suit, worn unbuttoned for added glamour.

Meanwhile, recently confessed that her relationship with boyfriend Marcel Robin remains propelled by a shared 'passion' during an interview with Pride Magazine.

Chatting about her man, she said: 'We're going strong. It's good because he's so busy and passionate about his fashion line and I'm doing my music so we're both fighting to where we want to be. So we share that passion.

Putting on a performance: Jess lit up the stage in a sparkling silver bralet, teamed with an oversized velour jacket and matching trousers

Edgy: She completed her menswear inspired ensemble with tight braids and large hoop earrings

Serenading the crowd: Jess was the centre of attention as she took to the stage to power through her chart-topping hits

Casual vibe: Fleur walked the red carpet earlier in the day in a rock tee and distressed denim hotpants

'We spend a lot of time shopping together. Picking out outfits, we love it. He's so technical about it because he's really into the fashion world, so I learn so much from him.

'I'm a massive fan of Disney. I grew up on Disney, the whole fairy-tale thing is my ideal, so I always imagine that I'll get proposed to. Glass slippers and everthing!'

In addition to being a singer, Fleur has also branched out by launching her own fashion range.

The starlet is the latest in a string of celebrities to collaborate with Lipsy, following the likes of Kim, Kourtney and Khloe Kardashian, who teamed up for their sell-out Kardashian Kollection previously.