Exhausted Davina McCall, 50, flaunts her rippling abs in gruelling workout video... shortly before displaying fruits of her labour in VERY saucy snap

Her split from her husband of 17 years Matthew Robertson has been nothing short of shocking. 

So Davina McCall has been putting her focus on her fitness, which was evident as she was seen working up a sweat in her new Toned In Ten workout video, shortly before she posted a sizzling, bikini-clad snap on Instagram.

The 50-year-old presenter showed off impressively taut abs in a tiny white sports bra and skintight grey leggings as she embarked on the gruelling workout session.  

Working hard: Davina McCall has been putting her focus on her fitness, which was evident as she was seen working up a sweat in her new Toned In Ten workout video, shortly before she posted a sizzling, bikini-clad snap on Instagram

Working hard: Davina McCall has been putting her focus on her fitness, which was evident as she was seen working up a sweat in her new Toned In Ten workout video, shortly before she posted a sizzling, bikini-clad snap on Instagram

Already exhausted, Davina was seen walking back and forth as her fitness buddy egged her on to continue the session. Making a number of disgruntled faces before accepting the fact she had to continue, she was seen making her way to the mat.

She slowly rolled down before executing a series of difficult plank jacks - undoubtedly wowing fans with her moves. 

While she wavered slightly, exercise-fanatic Davina did her best to finish the rep before showcasing just how exhausted she really was. 

After showing off her incredible workout prowess, the stunning star made the most of her frame by sharing an incredible image of her figure while giggling in a bikini on Wednesday morning. 

Hitting the gym hard: Her new workout video hit screens shortly before she posted a sizzling, bikini-clad snap on Instagram

Hitting the gym hard: Her new workout video hit screens shortly before she posted a sizzling, bikini-clad snap on Instagram

Tough stuff: She slowly rolled down before executing a series of difficult plank jacks - undoubtedly wowing fans with her moves

Tough stuff: She slowly rolled down before executing a series of difficult plank jacks - undoubtedly wowing fans with her moves

Hard work: She slowly rolled down before executing a series of difficult plank jacks - undoubtedly wowing fans with her moves

Hard work: She slowly rolled down before executing a series of difficult plank jacks - undoubtedly wowing fans with her moves

Posting the shot on Twitter, she penned: 'Cozzie and trainers and a smidgen of underboob .... I was a brownie, it was there that I learned “be prepared” #tonedin10 @melissaodabash @ASICSUK' 

Meanwhile, Davina has been keeping her mind of her recent heartache with a sun-soaked holiday to Sydney with their three children to visit her sister.

The TV star showed off her incredible six-pack as she posed in a sports bra and referred to dating app lingo as she joked 'swipe left' in the caption. 

Davina added: 'In Aus with the kids visiting my sis and her family. feels so good to workout outside !!!

Referring to the string of shots in the same sporty outfit, she concluded self-deprecatingly: 'ps didn’t mean to post 4 pics.' 

Abs-olutely fantastic: Davina kept her mind off her marital woes with a sun-soaked holiday to Sydney with their three children to visit her sister

Abs-olutely fantastic: Davina kept her mind off her marital woes with a sun-soaked holiday to Sydney with their three children to visit her sister

Devastating: Her trip down under comes just weeks after she announced her shocking split from her husband of 17 years, Matthew Robertson (pictured together)

Devastating: Her trip down under comes just weeks after she announced her shocking split from her husband of 17 years, Matthew Robertson (pictured together)

The former Big Brother presenter looked every inch the gym bunny as she showed off her impressive abs in the skimpy crop top and grey shorts. 

Proving she's a sucker for a scantily-clad snap, Davina displayed her impressively rippling abs in a selfie with her instructor Sarah earlier this week. 

Posing in front of the mirror for the snap, Davina's right hand, which clasped on to her phone, remained in view - with her wedding ring clearly visible on her fourth finger.

Cheeky: The TV star showed off her incredible six-pack as she posed in a sports bra and made a dating app reference as she joked 'swipe left' in the caption

Cheeky: The TV star showed off her incredible six-pack as she posed in a sports bra and made a dating app reference as she joked 'swipe left' in the caption

Leaf it out! The Big Brother presenter looked every inch the gym bunny as she showed off her impressive abs in the skimpy crop top and grey shorts

Leaf it out! The Big Brother presenter looked every inch the gym bunny as she showed off her impressive abs in the skimpy crop top and grey shorts

Davina was first seen swapping her ring to her other hand while running errands in Bedfordshire on Saturday.

However, the Million Pound Drop host was also spotted with a bandage on a finger on her left hand - potentially providing reason for the changeover.

The move comes after Davina confirmed she was parting ways with husband Matthew Robertson, after seventeen years of marriage.

Festive: Davina  took her mind off her romantic troubles on Tuesday as she headed to St Martins Carol Service in London

Festive: Davina took her mind off her romantic troubles on Tuesday as she headed to St Martins Carol Service in London

She told MailOnline earlier this month: 'I am very sad to say that Matthew and I have separated. 

'Our amazing children are our number one priority, above everything else so therefore we ask for as much space and respect from the media as possible while our family goes through this difficult time.' 

It later emerged that Davina and Matthew were not pictured together for a whole year prior to their shock split. 

The pair were last seen in public together at a party hosted by Kelly Hoppen in November 2016, to celebrate her 40-year career as an interior designer. 

Abs-olutely ripped: Davina is known to be a fitness fanatic, and often shares sizzling workout snaps to her Instagram - but they have slowed in recent weeks following her marriage split

Abs-olutely ripped: Davina is known to be a fitness fanatic, and often shares sizzling workout snaps to her Instagram - but they have slowed in recent weeks following her marriage split

The brunette has also not posted about Matthew on Instagram since August 2016, when the pair enjoyed an action-packed holiday in Canada.

However, Davina has shared a number of inspirational quotes to the site - which potentially hinted at her marriage woes before news of the split broke. 

One heart-wrenching image read: 'When I say 'I'm fine', I actually mean 'Just hug me'.

Wanting to reassure fans she was 'doing great', she wrote in the caption: 'This is very true.... fine is very rarely fine... annnnnnnd I really love a hug!!!! But today , just in case any of my mates are worried.... I'm doing great.'

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