At some point prior to Katarina's debut, they became rivals.

This aspect of the series was abandoned prior to its debut.

He attended the University of Georgia prior to his professional debut.

Prior to their debut, the group underwent a training period of two years.

Prior to its debut, Jackson had been at the center of a second high-profile bidding war over her recording contract.

Prior to the group's debut, a few of the members were already exposed to the entertainment industry.

Prior to her onscreen debut, the character was only known as "Erin".

She was already a trainee in the company prior to her debut.

This was his last appearance on stage prior to his debut in films.

The group garnered much interest prior to their debut from both domestic and international fans.