By Pauline France

To celebrate Women’s History Month, AOL Music Blog is holding a weekly poll during  March to unveil the most influential woman in pop music.

So far, the contenders include Madonna, Katy Perry, Christina Aguilera, Beyoncé, Selena Gomez, Britney Spears, Niki Minaj and Jennifer Lopez. As of March 8, Katy Perry, Beyoncé, and Britney Spears are in the lead.

Click here to enter your vote.