<p><br /> Dannii Minogue has spoken out about the constant comparisons to fellow X Factor judge Cheryl Cole.<br /> </p><p><br /> The mum-to-be says she is used to it, having been compared to her sister Kylie for many years.<br /> </p><p><br /> Speaking to You magazine, 38-year-old Dannii said: "It's hard because you want to have your own vibe. I have been through this with Kylie. Who is better? Who is prettier? Who has got the nicer clothes?"<br /> </p><p><br /> Dannii is currently in Australia preparing for the birth of her first child with boyfriend Kris Smith.<br /> </p><p><br /> Meanwhile Cheryl is travelling the UK, with Simon Cowell and Louis Walsh, for the first round of X Factor auditions.<br /> </p><p><br /> Numerous celebrities are being brought in as Dannii's replacement until she returns later in the year. So far Geri Halliwell and Natalie Imbruglia have both had a go on the judging panel.<br /> </p>
