<p><br /> Cheryl Cole's new single Promise This has become the fastest selling non-charity single of 2010.<br /> </p><p><br /> The X Factor judge sold over 157 thousand copies of the track this week and beat Rihanna's comback track, Only Girl In The World, to the number one spot.<br /> </p><p><br /> Meanwhile Cheryl's Girls Aloud bandmate Nadine Coyle releases her debut solo single, Insatiable, today.<br /> </p><p><br /> The pair, who are rumoured to have fallen out recently, are often compared to each other having both chosen solo careers.<br /> </p><p><br /> But 25-year-old Nadine says it does not bother her: "It's just because I think we were in a band together for so long. It's no big deal. As long as it's all done in good fun, there's no harm to it."<br /> </p>
