Glammed up Amanda Holden flashes her tanned legs in all-grey outfit in London

AMANDA Holden dazzled in a sexy snug knit dress as she wrapped up against the London chill.

The Heart breakfast show host, 51, opted for the stone colour one-piece with trendy bat-wing sleeves and a roll neck.

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Amanda Holden dressed for cozy season in a cute knit dress[/caption]

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The Reiss garment featured ruched sleeves and a roll-neck[/caption]

Amanda‘s cosy attire featured trendy ruched sleeves and a sophisticated midi-dress hem length.

She gushed over the garment in an Instagram video and told fans: “Good morning – happy Thursday!

“I am in a really snuggly, soft wool dress from Reiss today.

“I just thought I wanted to wrap up, it looked a bit chilly out there this morning but no doubt I’ll get out and I’ll start sweating.”

Amanda has been upping her style stakes this week and yesterday sported a cute short LBD with a Peter Pan collar.

She braved the cold with bare legs and completed the look with a pair of black and white stiletto heels.

In a video showing off her outfit, Amanda told fans on her Instagram Story: “Morning, happy Tuesday! Today I’m in this beautiful little number from LK Bennett. I love this preppy, put together look because it’s naughty, but nice.”

The TV star then posed for a sizzling snap on one of the office desks, making sure to show off her incredible legs.

It comes shortly after she flashed her toned legs in thigh-high boots and a short dress after returning to work on Monday morning.

The Heart Radio presenter was left soaked and close to tears over the weekend as she completed a “horrific” Three Peaks Challenge for charity.

Amanda climbed the three highest mountains in England, Wales and Scotland in just 24 for Heart’s charity Global’s Make Some Noise.

The Britain’s Got Talent judge successfully completed her challenge as she summited the UK’s highest mountain, Ben Nevis, live on air.

It comes after Amanda was dubbed the world’s sexiest hiker as she climbed a mountain in a full face of make-up and stilettos in her bag.

In total the Britain’s Got Talent judge climbed 10,476 feet in just 24 hours – also scaling Snowdon and Scafell Pike.

Last week, she shared a video of herself starting the walk, wearing a red Heart Radio jacket, matching hat and black leggings.

The telly star shared a checklist of everything that she had on her – lipstick, stilettos and lashes as she danced to The Proclaimers’ hit 500 Miles.

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It is a far cry from Amanda’s outdoor gear for her charity trek[/caption]

Not known, clear with picture desk

She packed all the essentials including lip gloss and lashes[/caption]

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The BGT judge showed off her snappy fashion sense this week in a short Peter Pan collar dress[/caption]