The question "50 Famous Stars" is not a mathematical equation or a riddle with a single answer. It's more of a prompt for a list.

To answer this, you'd need to provide a context or specify what kind of "stars" you're looking for. For example:

* 50 famous movie stars: This would require listing 50 well-known actors and actresses.

* 50 famous pop stars: This would involve naming 50 popular singers.

* 50 famous stars in the night sky: This would call for listing 50 prominent constellations or stars visible from Earth.

Please clarify what kind of "stars" you're interested in to get a relevant answer.