People have different celebrities that they admire, and those celebrities are usually symbols of some personality aspects of the person experiencing the dream.
Sadly, it is impossible to interpret this dream precisely, but generally, it is a positive omen. Think about the positive traits that you like about this celebrity you dreamt of. Remember, why do you like this person in the first place.
What characteristics will stand out most from this person are the characteristics that you will soon see in yourself.