He broke down in tears while discussing his late sister's Jaimi's death on Tuesday's episode of SAS Australia.
But Jett Kenny, 27, put on a brave face as he stepped out hours after the scene aired to attend surf training at Queensland's Alexandra Headland Surf club on Wednesday morning.
Wearing nothing but a pair of tiny swim trunks, the lifesaver-turned-model was seen smiling and joking with fellow surfers as he strolled down the beach with a surf board tucked under his arm.
Staying strong: Jett Kenny, 27, put on a brave face as he went surfing in Queensland on Wednesday morning - hours after SAS Australia viewers watched him weep over his sister Jaimi's death
The muscular reality star looked to be in his element as he rode the crashing waves with ease.
At times, however, Jett was seen looking more sombre, sometimes staring off into the distance with a mournful expression on his face.
While Jett did his best to maintain composure during surf training, he certainly couldn't fight his emotions on Tuesday night's episode of SAS Australia as he discussed his sister's tragic death.
Fit: Wearing nothing but a pair of tiny swim trunks, the lifesaver-turned-model looked to be in his element as he rode the waves and run up and down the beach
A moment of reflection: At times, however, Jett was seen looking more sombre
Pensive: Before hitting the waves, Jett he was seen staring into the distance with a mournful expression on his face
Jaimi had battled alcoholism and an eating disorder before she passed away at a Sunshine Coast hospital surrounded by her family - including Jett.
During the heartbreaking scene, Jett told his fellow recruits he 'regretted not being there for Jaimi 'more' amid her struggles, after she tragically died at age 33 last September.
Addressing his fellow recruits as part of a challenge, Jett said: 'The biggest thing in my life is never feeling good enough. I set my standards very high, but if I don't get them then I put it all back on myself and I let that effect me heaps.
Loss: While Jett did his best to maintain composure during surf training, he certainly couldn't fight his emotions on Tuesday night's episode of SAS Australia as he discussed his sister's tragic death
'I guess a way I kind of became like that was with my sister. She battled with mental health for 15 years, but for me it was kind of just like, "why are you doing this to yourself?" I never fully understood it.'
He told the camera: 'My sister did struggle with mental health. We did everything we could as a family and for Jaimi to try and bring her out of it. But unfortunately, that wasn't the case.
'She got told she wasn't going to make it until 30. She got to 33.'
![Loss: Jett told his fellow recruits he 'regrets not being there for [my sister] more', after Jaimi (right) tragically died at age 33 last September](https://i.dailymail.co.uk/1s/2021/09/28/06/48482471-10035939-image-a-14_1632806163005.jpg)
Loss: Jett told his fellow recruits he 'regrets not being there for [my sister] more', after Jaimi (right) tragically died at age 33 last
