Rebecca Ferguson has described her X Factor duet partner Christina Aguilera as a "legend".
The Liverpool singer duetted with the US pop icon on a version of her hit single 'Beautiful' on last night's final.
Speaking about their partnership, Ferguson said: "Christina is a legend. She is amazing. Really gracious and really nice. She's a lovely person as well."
Ferguson also heaped praise on her mentor Cheryl Cole, describing her as a "friend" and "down to earth".
The single mom will face off against One Direction and Matt Cardle on tonight's show for the 2010 X Factor title.
Christina, bitch!!!!! I am officially ready for you to start work on new album! Im need new music!!!!!!!!!!!!!!!!!!!!!!!!!!!! Im on an edge!!!!!!!!!!!!!!!!!!!!!!!!!! : weeps: http://www.youtube.com/watch?v=8o8uhNZe0_k
Christina Aguilera is presented with a 30th birthday cake and a unique ring by Boyfriend Matt Rutler and Jewellery designer Stephen Webster 'Burlesque' Film Premiere Afterparty hosted by Stephen Webster, London, Britain - 13 Dec 2010 After the premiere of her new film 'Burlesque' there were further treats in store for Christina Aguilera after an after party hosted by jewellery designer Stephe [...]