Christina Aguilera and boyfriend Matthew Rutler arrive back at their hotel after dropping by Mahiki nightclub on Friday (December 10) in London, England.
The 29-year-old singer is in town to perform on The X Factor finale on Saturday (December 11).
Christina, Rihanna, Robbie Williams, and will.i.am will be collaborating with the talent show’s four finalists.
“I’m very happy,” finalist Rebecca Ferguson said about her upcoming duet with Christina. “She’s very talented and amazing.”
The day before, Christina attended a photocall for her film Burlesque, then hit its red carpet premiere.