If you could change something about the format, like introducing 3 on 3? Banning props from the dunk contest? Changing the rules so more superstars have to participate in the dunk contest? Removing fan voting from anything? Maybe just trying to make it more competitive?
Make it like what it use to be and what it is like currently in Baseball; make the players where their own team jerseys.
And for those that respond "oh but the NBA will lose money on those ugly all star jerseys!". Not a problem, just put "All Star" logo on the side of the jersey or something and they will sell just as much as the all star jerseys would. It would also be much more cost efficient.