Photoshop is useful in many ways but must NEVER be used for the altering of photographs. My assistants and my agency do whatever Photoshop work for me that may be required as it is too complicated for my brain.
The advantage of taking pictures of the famous is that they get published.
I am serious about not being serious.
Ill always be an amateur photographer.
You have to devote yourself totally to be successful at it.
After following the crowd for a while, I'd then go 180 degrees in the exact opposite direction. It always worked for me.