Something to smile about! Samantha Armytage flashes a huge smile on her exit from the gym... after rekindling romance with private jet tycoon ex By Katie Storey For Daily Mail Australia Published: 06:52 BST, 6 June 2019 | Updated: 06:52 BST, 6 June 2019 Viewcomments She recently teased her new romance with a 'secret lover', who was later revealed to be her private jet tycoon ex, Paul O'Brien. And suggesting their rekindled relationship is going from strength to strength, Samantha Armytage couldn't hide her delight while leaving the gym on Thursday. The Sunrise co-host, 42, appeared in great spirits as she flashed a huge smile while showcasing her slimmed down frame in her workout gear. Beaming: Samantha Armytage, 42, was in high spirits as she left the gym in Sydney on Thursday, after news broke of her rekindled relationship with private jet tycoon ex Paul O'Brien Wrapping up in a light-weight hoodie, Sam sported a pair of form-fitting navy blue leggings that highlighted her impressive 10kg weight loss in the last five months. She wore a pair of black trainers and added a touch of glamour to her gym-wear with a leather tote bag over one arm and a chic pair of sunglasses. Sam wore her blonde locks back into a high ponytail and clutched onto a bottle of water to hydrate herself after her training session. Working up a sweat! The Sunrise host looked incredible as she showcased her impressive 10kg weight loss in her form-fitting workout gear, while sporting a chic pair of shades The TV presenter, who has been announced as Weight Watchers' new celebrity ambassador, first decided to overhaul her lifestyle in January, earlier this year. Sam has since revealed she is keen to lose another 5kg, but insisted on The Kyle and Jackie O Show: 'I don't want to be too skinny because I feel like that's a bit ageing.' As well as finding a new found confidence for her body, Sam has struck up a romance with former flame Paul for the second time. Quenching that thirst: Sam wore her blonde locks back into a high ponytail and clutched onto a bottle of water to hydrate herself after her training session Just days ago, she had teased she has a 'secret lover', with his identity now being revealed to be the private jet tycoon. Multiple sources have confirmed to Daily Mail Australia that the couple reunited in April, after splitting late last year. An insider said: 'They've been back on for a few months now. 'The "secret lover" Sam spoke about on [The Kyle and Jackie O Show] is Paul. I don't know how she thinks it's a secret!' The duo were pictured together at Randwick races in Sydney two months ago and Sam is now following Paul on Instagram again - after unfollowing him at the start of the year. She and millionaire Paul were first romantically linked in June 2018, with reports surfacing in October suggesting the duo had been dating for 'several months'. Loved-up: Just days ago, Sam teased she has a 'secret lover', with his identity now being revealed to be the private jet tycoon - multiple sources confirmed to Daily Mail Australia that the couple have been 'back on for a few months' Share or comment on this article: All rights reserved for this news site dailymail and under his responsibility