Jennifer Hudson and Leona Lewis have more in common than catapulting to the top as a result of reality singing competitions ‘American Idol’ and ‘The X Factor’. The duo is in fact, teaming up for a duet set to appear on the ‘Sex and the City 2″ soundtrack ! “The pair have recorded the song and it’s being discussed as either the main theme or to feature on the soundtrack,” a source confirmed in The Sun. “They each have incredible voices and will appeal to both the UK and the US,” the source went on to share. “It’s perfect for the next SATC film.” In related news, Jennifer Hudson is working on a follow up to her Grammy winning debut. It is said to be slated for a fall 2010 release.