After winning the semi-final the pair said: “The fact we’re the first act who got through via the public vote does give us a lot of confidence.
“We’ve worked really hard on the act and we hope people get behind us again. It’s really given us a boost.”
Hinting at their final performance, Mr Sarsby said one of them would have their “sense of sight removed”.
Dancing policeman PC Dan, street dancers Empire Dance Crew, knife-throwing act Tyrone and Mina, magician Niels Harder, girl band Miss Treat Vibe and the St Patrick’s Junior Choir failed to progress.
Impressionist Jess Robinson, who has been featured in the JC this series, will be hoping to join DNA in Sunday's final, when she appears in her semi-final later this week.
