to look up to someone
to admire someone
To judge a book by its cover
To make an assumption about someone based on their appearance
Child prodigy
A very talented child
In the spotlight / in the limelight
At the center of attention
Steal someone's thunder
Draw the attention away from someone
The price of fame
The consequences of being famous in terms of privacy and lack thereof
A has-been
A sad, desperate ex-celebrity trying to maintain their fame
To be on the ball
To be clever and efficient
A household name
A very well-known person
15 minutes of fame
A short moment of celebrity
Blockbuster film
A very popular film
One in a million
Unique
Put someone on the map
Make someone become famous
A big break
First chance or an opportunity for fame
Once in a blue moon
Very rarely
To make a comeback
To become famous again
Be dressed to impress
Be dressed in a very elegant and formal way
Overnight celebrity
Someone who has become famous in a very short time
self-made
Someone who reached success without any extra help
Cream of the crop
The best of the best
Claim to fame
The reason why someone is famous
One-hit wonder
Successful for the artist only once