"We sometimes find ourselves in situations where we have no clue what we're doing but if we're committed we will find a way through it," the pair said.
"It's going to be a bit of a bumpy ride in the beginning but watch out, watch out," they added.
Judge Manu also confessed he put a little fire up them in order to get the best results.
"I felt that I needed to say something. It worked and it put a rocket up their bum and they did work hard and they went a lot further than I thought they would," he said.