be famous at in a sentence

1. Now Richard Mandella will be famous at tracks around the world.
2. "I don't want to be famous at 18 and finished by 20.
3. Nipar said Klein is a " well-known serial liar ( who ) is simply looking to be famous at the expense of an unfortunate tragedy in our lives . " Nipar said although Klein repeatedly promised he would prove McDermott was alive, he " never provided anything whatsoever " as proof of life . " My son has been through enough emotional torment over this, " Nipar wrote . " He has yet to be able to move on due to Mr . Klein's continual effort to keep him in the public eye ."
4. It's difficult to find be famous at in a sentence.