paparazzo

US /ˌpɑː.pɑːˈrɑːt.soʊ/
UK /ˌpɑː.pɑːˈrɑːt.soʊ/
"paparazzo" picture
1.

a freelance photographer who pursues celebrities to get photographs of them

:
The paparazzo chased the actress down the street.
A famous singer complained about being constantly hounded by paparazzi.