Leggy Caroline Flack and her X Factor co-host Olly Murs are a colour-coordinated dream as they arrive at London auditions

The X Factor auditions are in full swing and the show's presenters Caroline Flack and Olly Murs upped their wardrobe game when they arrived at the latest round in London on Sunday.

Caroline, 35, and Olly, 31, were a color-coordinated dream as they were the first to arrive at the Wembley Arena where they welcomed a fresh crowd of singing hopefuls.

Trend-conscious Caroline was as impeccably dressed as always in a blue silk shirt which she wore unbuttoned, and a pair of tailored denim hot pants.

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Dream team: Olly Murs and Caroline Flack arrived at the London X Factor auditions in colour-coordinated outfits on Sunday

Dream team: Olly Murs and Caroline Flack arrived at the London X Factor auditions in colour-coordinated outfits on Sunday

The TV host added a contrasting touch to her red-carpet look in the form of a pair of chunky snakeskin sandals.

The high-heeled shoes added a generous amount of height to Caroline's petite frame and accentuated her slender legs.

The brunette complemented her fashion-forward get-up with her slick bob styled in loose waves and polished make-up which she offset with a bold red lip.

Trend-conscious: Caroline, 35, was as impeccably dressed as always in a blue silk shirt which she wore unbuttoned, and a pair of tailored denim hot pants

Trend-conscious: Caroline, 35, was as impeccably dressed as always in a blue silk shirt which she wore unbuttoned, and a pair of tailored denim hot pants

Polished to perfection: The X Factor host wore her hair in loose waves and a bold red lip ensured she made a statement

Polished to perfection: The X Factor host wore her hair in loose waves and a bold red lip ensured she made a statement

Posing pro: Caroline put on a confident display as she posed alongside her co-presenter Olly

Posing pro: Caroline put on a confident display as she posed alongside her co-presenter Olly

Meanwhile, Olly was too feeling blue and opted to wear similar shades to Caroline.

The singer-turned-presenter nailed the tricky balance between smart and casual by donning a lightweight denim suit which he paired with a long-sleeved high-neck white top and a pair of blue leather trainers with a chunky white sole.

Olly and Caroline looked to be getting on famously as they gladly cuddled up to each other on their arrival to the venue.

Turn up: Olly - who starred on The X Factor as a contestant in 2009 - made quite the entrance

Turn up: Olly - who starred on The X Factor as a contestant in 2009 - made quite the entrance

A match made in TV-presenting heaven: Olly and Caroline looked to be getting on famously as they cosied up to each other in front of the crowd outside Wembley Arena

A match made in TV-presenting heaven: Olly and Caroline looked to be getting on famously as they cosied up to each other in front of the crowd outside Wembley Arena

Once the paps got their shots, the duo made their way down the line of people who'd gathered.

While Olly entertained the crowd with some moves, Caroline took silly selfies with fans.

Olly and Caroline were closely followed by the newly-recruited Xtra Factor presenter Rochelle Humes who looked effortlessly chic in black dungarees, a low-slung grey vest top and a pair of black strappy sandals. 

Feeling playful: The TV beauty thrilled fans when she posed for some silly selfies

Feeling playful: The TV beauty thrilled fans when she posed for some silly selfies

Mileu Cyrus eat your heart out: Caroline stuck her tongue out as she got in amongst the crowd of fans

Mileu Cyrus eat your heart out: Caroline stuck her tongue out as she got in amongst the crowd of fans

I'm warning you: The pretty brunette pointed a playful finger at her singer-turned-presenter side-kick

I'm warning you: The pretty brunette pointed a playful finger at her singer-turned-presenter side-kick

Olly, Caroline and Rochelle - along with the four judges - were no doubt hoping for a smoother round of live auditions than the last which saw newly-recruited Rita Ora wrongly brand a Scottish singer a Scouser.

The 24-year-old singer left the audience howling with laughter when she managed to mistake Amy Gunn's Scottish accent for the instantly-recognisable Liverpudlian twang during a live audition.

Speaking to 19-year-old Amy, the Hot Right Now hit-maker remarked: 'So you're a Scouser.'

According to the Sunday Mirror, Rita left fellow judges Simon Cowell, Cheryl Fernandez-Versini and Nick Grimshaw agog at her embarrassing faux pas. 

Stylish Saturday: Xtra Factor presenter Rochelle Humes looked effortlessly chic in a pair of black dungarees as she arrived at the latest round of auditions at Wembley Arena in London on Sunday

Stylish Saturday: Xtra Factor presenter Rochelle Humes looked effortlessly chic in a pair of black dungarees as she arrived at the latest round of auditions at Wembley Arena in London on Sunday

Let's do this: Rochelle couldn't hide her excitement as she made her way up the red carpet and into the venue

Let's do this: Rochelle couldn't hide her excitement as she made her way up the red carpet and into the venue

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