It's possible that you're thinking of:
* Dragon Ball: Evolution (2009): This was a live-action movie based on the Dragon Ball franchise, but it was critically panned and poorly received by fans.
* Dragon Ball Super: Broly (2018): This was a successful animated film that reintroduced the character Broly into the Dragon Ball canon.
If you have more information about what you saw or heard regarding "Dragonball Reborn", please share it and I can help you figure out what you're looking for.