The group revealed that they were in the recording studio last month, despite releasing their latest album On Your Radar back in November.
However, Rochelle Wiseman has now teased that fans will get to hear a new song from them in the near future and that they are filming a music video later this week.
Wiseman tweeted: "Just at a fitting for our video shoot tomorrow :) for our brand new single, can't wait for you guys to hear it."
Further hinting at the new project, Vanessa White added: "Going to watch something very exciting tonight! I wish i could fill you in but i cant LOL but u will all know about it soon gonna be AMAZE!"
The Saturdays reportedly impressed TV bosses in Los Angeles recently while pitching their own reality series.
Watch the music video for The Saturdays' 'All Fired Up' below: