Bang Showbiz reports that the former X Factor foursome revealed that they are keen to try for a Christmas number one with the girl group.
Member Jonathan 'JB' Gill said: "Will we see a JLS/Saturdays duet? Wow. I don't know but we'd do it in a shot."
He continued: "We'd love to do a song with the girls. A Christmas number one, maybe? Watch this space."
JLS's Marvin Humes is currently dating Saturdays star Rochelle Wiseman, who recently declared that he is "the one".