She’s the fitness dynamo who is almost always pictured in her exercise gear.
But Biggest Loser trainer Tiffiny Hall, 33, donned a very different outfit when she and her newborn son Arnold cuddled up for a pyjama party on Boxing Day.
The new mum took to Instagram to share the tender image, with saw her beaming as the youngster nestled in close.
Change of pace: Biggest Loser trainer Tiffiny Hall, 33, has shared a picture of herself and three-month-old son Arnold after the pair enjoyed a Boxing Day pyjama party
The TV personality celebrating two milestones with her son: baby’s first Boxing Day and the blue-eyed infant celebrating his fifteenth week in the world.
‘Boxing Day pyjama party … #15weeksold,’ she posted on the social media site.
The heartfelt image got an immediate response from fans, commenting, ‘Tiff, Arnie is so damn cute,’ with another adding, ‘Just gorgeous. He is lucky to have parents like you both. Your wisdom and awareness will help him reach his full potential x.’
The fitness guru, known for her strict discipline, also shared a short video of herself breastfeeding via her Insta stories.
Feeding: New mother Tiffiny Hall, 33, also shared a short video of herself breastfeeding new three-month-old son Arnold
Using an ‘underwater,’ filter, the young mother gently cradles Arnold back and fourth in her arms.
More recently, the trainer has offered a refreshing attitude towards losing her baby weight after giving birth to her first child in September.
Cradling: Fitness guru Tiffiny Hall, 33, has shared a short video of herself breastfeeding three-month-old son, Arnold
Earlier this month, the blonde beauty took to Instagram to share a picture of her tummy, telling fans that even though she isn’t back to her pre-baby shape, she’s not bothered in the slightest.
The candid snap, which was taken in her bathroom, shows the trainer in her pajamas, lifting her white tank top to reveal her stomach.
‘Hello little abs, it’s nice to see you again,’ the trainer, who holds a degree from the University of Melbourne, posted.
‘My tummy still isn’t flat and I don’t care … It’s definitely getting stronger which is the important part and I’m feeling wonderful.’
Post-baby body: Fitness trainer Tiffiny Hall has been outspoken about ‘body issues,’ after giving birth for the first time in September
The bubbly blonde shares baby Arnold with Channel Ten funnyman Ed Kavalee, who regularly appears on Have You Been Paying Attention?
Heavily disciplined Tiffiny has been praised for a healthy body image attitude, with the trainer encouraging women to be more accepting of their bodies, especially post pregnancy.
‘I don’t want to waste a single delicious newborn minute worrying or obsessing about my body,’ the new mum told Stellar magazine recently, adding that women have appreciated her honesty and candour.
Workout time: Published fitness author and Biggest Loser trainer Tiffiny Hall regularly takes infant son Arnold with her during her gruelling workouts