Louise Thompson shared a series of pictures of herself wearing a nude bikini on Instagram on Sunday.
The 30-year-old showed off her washboard abs in the two-piece which had a glittering embellishment running throughout.
The posts come after Louise's brother, Sam, reportedly held crisis talks with his ex Zara McDermott amid claims she cheated on him a year ago.
You glow, girl! Louise Thompson shared pictures of herself wearing a nude bikini on Instagram on Sunday as her brother Sam had 'crisis talks with ex Zara McDermott amid cheating claims'
Don't be bitter, glitter: The 30-year-old showed off her washboard abs in the two-piece which had a glittering embellishment running throughout
Louise appeared to be minding her own business with her latest social media posts, looking incredible as she leaned towards the camera.
She wore a collection of gold necklaces and played with her hair, while wearing a pair of box fresh trainers.
Meanwhile, Zara has been reportedly trying to get her 16-month romance with Sam back on track
Nothing to say: Louise appeared to be minding her own business with her latest posts, looking incredible as she leaned towards the camera
Details: She wore a collection of gold necklaces and played with her hair, while wearing a pair of box fresh trainers
It was reported earlier this week the couple had split and claims later emerged the break-up came after Sam discovered Zara had cheated on him a year ago.
Their broken relationship is now reportedly 'hanging in the balance' as the pair have been unable to talk while the Made In Chelsea star films The Circle with pal Pete Wicks, but the Love Island star 'is fighting hard to get him back'.
Sam has taken some time away from Zara to film the Channel 4 program, The Circle, but that reportedly hasn't stopped her attempts to ask for forgiveness.
An insider told The Sun: 'Their relationship is hanging in the balance. Sam left to film The Circle saying he couldn't be with Zara right now.
All over: It was reported earlier this week that Sam and Zara had split and claims later emerged the break-up came after Sam, 28, discovered Zara had cheated on him a year ago
'She's fighting so hard to get him back. She's going to do everything she can to prove he can trust her again.
'Even though it's split them apart right now, people have got through worse in their relationships and gone on to be stronger, she loves him so much and isn't giving up hope that he'll forgive her. There are plans for them to meet up as soon as Sam is back. It'll be make or break for their relationship.'
Meanwhile, the former Love Island star, 23, set pulses racing as she showcased her incredible physique in a tiny mauve bikini that highlighted her washboard abs.
Beauty: Zara continued to put on a brave face following her split from Sam as she shared a sizzling bikini snap on Sunday
Posing alongside a bed, Zara wore a light pallet of makeup while she styled her blonde tresses into voluminous waves.
Zara was inundated with messages from her followers with many saying 'wow' and one calling her the 'most beautiful girl in the world'.
MailOnline has contacted Sam and Zara's representatives for comment.
It comes after Sam broke his social media silence on Saturday when he thanked his close friend and TOWIE star Pete for being there for him when he is 'down'.
Sam recently wrote a message to his friend Pete Wicks: 'I’m incredibly lucky to have people I can lean on when I’m down. I know you’re not the soppy type, but you really are the brother I never had'sonos sonos One (Gen 2) - Voice Controlled