The pop singer, 28, said that the girl group currently had "nothing planned", but insisted that her reality TV stint wasn't the beginning of the end for them.
"We were just in a period where we weren't busy anyway. We were doing our own thing," Range told Digital Spy. "We haven't split up, no."
Speaking about the group's future, she added: "We're not concentrating on it. I'm concentrating on this. We haven't got anything planned at the moment."
Sugababes last album was Sweet 7, which peaked at number 14 in 2010. They released the single 'Freedom' last year for free on Amazon.
Joking about the tiny Lycra costumes she'll be wearing on the ITV1 reality show, the Liverpudlian added: "I'm excited by some, daunted by others... some of them, there's not much to them."
Dancing on Ice starts on Sunday (January 8) at 6.30pm on ITV1.
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