The pair has recently appeared on their first red carpet together and now they are the focus of a massive bidding war between US networks who are clambering to sign them up for a documentary series, reported Metro.
"American networks are desperate to sign them up. MTV and E! are both interested, apparently. They are prepared to offer them millions - they think it would be TV gold," a source said.
"TV execs have been following their romance for a while and timing for a show is perfect. They have legions of fans desperate to find out what their life together is like behind closed doors," it added.