Gabriella competed in 7 LETAS tournaments in her first season as a professional in 2015. Gabriella made two cuts, her first at the Open Generali de Dinard where she finished in a tie for 40th and her second at the Ribeira Scara Patrimonio del la Humanidad International Ladies Open in Spain where she finished in 44th place.
Gabriella turned professional in October 2014 after a successful amateur career. As an amateur Gabriella represented Great Britain and Ireland in the 2014 Curtis Cup and competed internationally representing England at the World amateur championships in 2014. Gabriella has also led England girls and ladies to home international victories on numerous occasions.