Claudia was born in Milan, Italy. At the age of 13 she started to study music and after high school started work as a singer and model.

She began her modelling career with the Italian photographer and make-up artist Paolo Tosetto. In October 2014 she signed a modelling contract with Be Management Agency in Milan. Her work include editorials, magazines, commercials, showrooms and glamour.

Claudia has been testimonial for many brands such as Candy Candy Clothing, Maxima, Venus Lingerie Milano, Samurai Performance and Vanilla Lingerie. Moretto has been featured in many catalogues for clothing, bikinis and lingerie. In June 2017 during a press conference Claudia Moretto was announced to be the testimonial of the summer signed by Utopia.
 

Claudia has been featured in magazines such as Playboy and Vogue Australia.