Scottine was born in Fontana, California, and was raised by her mother and grandmother in Southern California. Her grandmother had experience in the modeling industry which became a resource for Scottine's own career development.

At 14 she was scouted and saw success in modeling for Gottschalks and Forever 21. She moved from runway work onto centerfold and glamour modeling at 18.

In 2011 Brett Rossi was Miss Howard Stern TV and was interviewed on Howard Stern's radio show. In that same year, she was also named Cybergirl of the Week at Playboy. In 2012 Brett Rossi was signed by the Adult Film company Twistys and named the February Penthouse Pet.

After a several year hiatus in the industry, Rossi appeared on Vivid Radio announcing her return to the adult industry and stated that she would begin her first feature dance tour back into the business by February 2016. On February 1st, 2016 it was announced that she had signed a contract to become the face of Kayden Kross and Stoya's new company TrenchcoatX. She has performed in over 170 adult movie titles, primarily lesbian films, as well as having directed an adult film titled "Girl Crushed 2". She also was photographed by well-known photographer Simon Emmett for Twenty6 Magazine.

Rossi has used her platform to call into question the treatment of porn stars regarding their sexual abuse experiences in an interview with Amanda Knox and another publication.