By Chloe-lee Longhetti For Daily Mail Australia
Published: 01:59 BST, 10 October 2019 | Updated: 02:03 BST, 10 October 2019
The Block is one of the most grueling shows around, with contestants having to keep up both mentally and physically with the workload.
And now the stars of the show have revealed just how demanding it was and the toll it took on their bodies, with most losing weight.
Speaking to WHO magazine this week, Luke said he lost 5kg, Mark dropped 8-9kg, while Mel admitted that she was so busy some days that she wouldn't eat.
'My body definitely changed': The Block's Tess and Luke (pictured) reveal they lost 5kg on the show as they strip off for WHO magazine... as Mel reveals it was so grueling she sometimes didn't eat anything for a whole day
'My body definitely changed,' Tess told the publication.
'I remember during the middle and end of The Block, I saw photos from when I started, and my face, arms and legs had definitely changed,' she said.
She said it was from the 'scaffold and stress.'
Run off her feet! 'At the start of the week I would eat, but towards the end - from Friday to Sunday - there were times I wouldn't eat anything for a whole day,' Mel said. She's pictured with partner Jesse
Stripping off: Pictured are husband and wife duo El'ise and Matt, with Matt saying he 'dropped a lot of kilos'