"We get really defensive when we're ambushed," explained Ali. "In hindsight, we should have said 'yes, we drank wine on site'. We 100% regret that."
The pair also hinted that all is not quite as it seems on-air, revealing that the alcohol in question was consumed in week one.
"They saw us do this in week one, they should have spoken to us then. Instead they waited until week three," said Ali.
In fact, the teams only raised the issue after the twins won yet another team challenge - the latest in a string of wins.
The timing also raises questions about footage screened last week, which showed the twins' room supposedly laden with empty wine bottles. A room which was not completed in week one.
MediaWorks confirmed the scene was filmed in week four of production, with Richardson confronting the girls the next day.
When asked why they broke the rules, the twins explained: "When we drank on site late at night, after all our work, we weren't thinking about the rules. We weren't getting wasted. We weren't hiding anything."
We are live with Julia and Ali! Comment below with your questions!
Posted by The Block NZ on Sunday, 23 July 2017