I have not tried, but I've heard an interesting method suggested here. Hold just the emitter with tweezers, while heating the star from underneath with a heat gun or cigarette lighter. When the solder melts, the star falls off.
JZ
JZ
check out trouties vid and others on youtubeOverTheHill said:troutie did it recently and posted an amusing video of the process as well. I'm not sure what thread it was on