The former factory workers left the show after the biscuit to go head to head with Amelia's favorite Lily in the sing-off.
Craig was given command of the first March in "deadlock" as a series of four judges failed to reach a verdict was clear and go to the voting public.
Wannabe-performed theme Bond Licence To Kill the show Saturday song sealed the fate of choice.
Speaking on ITV1 's Lorraine, he said: "it's all about the song choice now, I hope the other contestants learn from this as well.
But he added: "I really like the song I've listened to it back and I really really liked the vocals. I think it is one of my best vocal as well – but it's the people's connection with song and songs as well. "