The former Destiny's Child singer also told The Mirror that the girls she is mentoring are "powerhouses".
Rowland said: "All I've looked for is a global star... I heard Tulisa [Contostavlos] say, 'We're looking for that next big UK star', and I said, 'Well I'm looking for the next international star because you can't just put someone in a box, you give them everything they deserve'. That's what they're here for, they're here for international success.
"I want them to be better than me, better than [Lady] GaGa and better than Beyoncé. Each generation is meant to be better."
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Rowland - who will be supported at Judges' Houses by Oscar and Grammy award-winning entertainer Jennifer Hudson - added that she has no time for backstage drama.
She explained: "I don't think we're gonna have that problem. I'm going to let [the girls] know I'm not dealing with that."
Rowland also said that she does not feel "broody" when asked if she planned to start a family like former bandmate Beyoncé, adding: "I'm actually nurturing a maternal feeling here with the girls."
Misha Bryan, Janet Devlin, Sophie Habibis, Amelia Lily, Melanie McCabe, Sian Phillips, Holly Repton and Jade Richards will be seen competing for four places in the X Factor live shows this weekend.
The X Factor airs on Saturday at 7.30pm and on Sunday at 7.45pm on ITV1.
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> 'X Factor' Judges' Houses: Which girls should make the live shows?
Move through a gallery of the acts chosen for the Judges Houses' stage of The X Factor below: