The 26-year-old singer looked focused and determined as he swung his arms next to a man believed to be his health coach towards the end of this week.
Sporting his favourite football club’s jersey – Celtic F.C – Lewis wore a pair of black workout Nike shorts, white crew socks and some white trainers for his walking expedition.
The Someone You Loved hitmaker was exercising alongside an unnamed man dressed all in black sports clothes who repeatedly peered at Lewis with a focused look as they stomped together.
His outing came after he announced to fans he would be taking a hiatus from performing live and touring to re-centre himself.
In a heartfelt social media post, the singer explained that he would be cancelling all of his 24 upcoming gigs for his Broken By Desire To Be Heavenly Sent tour, due to kick off in June.
The message was released by Lewis days after he visibly struggled to finish his set at Glastonbury amid his Tourettes diagnosis.
He told fans at earlier this summer on Instagram: ‘Hello everyone. First of all thank you to Glastonbury for having me, for singing along when I needed it and for all the amazing messages afterwards. It really does mean the world.
‘The fact that this probably won’t come as a surprise doesn’t make it any easier to write, but