Speaking at the finalists' press conference today, the N-Dubz star claimed that her girlband are a group capable of "inspiring women across this country".
"I'm the youngest judge, it's my first year and I want to change X Factor history with these little muffins behind me," said Contostavlos.
"I think the thing about these girls is that if they got this record deal, they wouldn't just bring a record out, they'd also be inspiring women across this country. Young and older.
"I think they'd made a difference to people's lives as well as their ears."
Contostavlos also admitted that she is nervous about teaming up with her girl group for a duet in the final, and joked that if the winner of the show comes down to judge popularity, she may as well go home now.
The X Factor final kicks off on Saturday (December 10) at 8pm on ITV1. Marcus Collins, Amelia Lily and Little Mix are fighting it out for the chance to land a Syco record contract and a Christmas single.
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Watch Dermot O'Leary talking about this year's X Factor finalists below: