A word that means stage-fright, but for a person?

Suppose you met a famous person, and you were shy and anxious and almost overwhelmed by them.

Is there a word for describing that? Similar to getting stage fright, or "choking", except in this case for a person?

When he said hello to me, I couldn't respond. I (was) __________.

If it is specifically a famous person, you could use star-struck.

starstruck

/ˈstɑːstrʌk/

adjective

1. completely overawed by someone's celebrity status

You might be overawed:

over·awe verb

: to make (someone) unable to think, speak, or behave normally because of a strong feeling of respect and fear

(Definition from Merriam-Webster.com)