Christina Aguilera is all set to sing at billionaire Donald Trump's party. The ‘Dirty’ singer has been lined up to celebrate Trumps’ latest venture, according to the China Daily. She will be entertaining the exclusive guests at the new Trump International Hotel and Tower in Dubai. This event will be Aguilera’s second live performance since she gave birth to baby boy Max Liron in January of this year. It wasn’t revealed how much Aguilera will earn for her show.