To celebrate Jesy Nelson's 27th birthday here are 5 of our favourite Little Mix performances from their time on The X Factor. Visit the official site: http://itv.com/xfactor SUBSCRIBE: http://bit.ly/TXFSub Facebook: http://bit.ly/TXFFB Twitter: http://bit.ly/TXFTwi Download The X Factor mobile app: http://bit.ly/TXFapp Watch full episodes on ITV Hub (UK ONLY): http://www.itv.com/hub/the-x-factor

Little Mix's Jade Thirlwall, Alexandra Burke, One Direction's Liam Payne and Fleur East prove that you should NEVER GIVE UP! We love a transformation on the X Factor, but who knew they'd turn into superstars... Watch both their auditions here and see the glow up for yourselves! Visit the official site: http://itv.com/xfactor SUBSCRIBE: http://bit.ly/TXFSub Facebook: http://bit.ly/TXFFB Twitter: http://bit.ly/TXFTwi Download The X Factor mobile app: http://bit.ly/TXFapp Watch full episodes on ITV Hub (UK ONLY): http://www.itv.com/hub/the-x-factor