Bahl made her senior debut at the 2015 French Championships where she won the gold medal on the vault and finished 4th in the all-around. She competed at the 2015 City of Jesolo Trophy where the French team finished 4th, and Bahl finished 4th on the vault and 8th on the floor exercise. She competed at the 2015 European Championships where she finished 7th in the vault event final. She competed at a friendly meet where the French team lost to Romania. Then at a friendly meet against Spain, the French team won, and Bahl won the gold medal on vault. She was the alternate for the French team at the 2015 World Championships. She won the bronze medal on vault at the Elite Gym Massilia and finished 4th in the all-around.