2016 has truly been the year of bad-ass women in music.

From Britney Spears' glorious return to pop form on Glory, to Selena Gomez and Ariana Grande's continued sexy, hazy R&B-pop dominance over the radio airwaves, solo female pop stars have ruled this year, churning out hit after hit.

From rising alt-pop divas like Bebe Rexha, Halsey and Zara Larsson, to tried-and-true hit-making queens like Spears, Beyonce and Lady Gaga, to international cross-over stars like 2NE1's K-pop darling CL, who reigns as this year's ultimate princess of pop?

Place your vote for the Princess of Pop below, but hurry—this poll closes at 11:59 PM (EST) on September 18.

Check Out the Alternative Girls of Pop Music: