But he reckons he might have to adopt a new name if the pair do team up, saying that Gareth would "stand out like a sore thumb" in the Crew.
A spokesperson for Romeo revealed the pair have discussed a single, but because they're so busy it's not likely for a while.
Publicity stunt?
Of course Gareth's album is out this week and Romeo's in two week's time, so it could just be a big joke to try and get their names in the papers.
But they wouldn't try something like that, would they?