"Fighter" is a song performed by American singer-songwriter, Christina Aguilera, taken from her fourth studio ablum, Stripped, in 2003. The song was co-written by Aguilera and Scott Storch, and is known for being a powerful, pop rock ballad, a signifcant departure from Aguilera's more traditional genres of pop and R&B. The song was a moderate success worldwide, reaching number-twenty on the Billboard Hot 100, and helped portray Aguilera's power vocals.