Could Ubisoft Be Making Another Just Dance Game?

Yes.

Or let's assume so. After all, Just Dance 3 had sold over seven million copies as of January. In general, video game companies enjoy making money. So, it's probably safe to assume there's another Just Dance game on the way.

Adding credence to my expert industry analysis, there's also the fact that Ubisoft has registered the domain JustDancePropel.com. While the address is currently not in use, perhaps this indicates that this is title of the next game in the series, which has sold over 25 million units to date.

Source: Joystiq