This is a truly difficult decision -- how is it possible to decide who is having the bigger year between Iggy Azalea and Miley Cyrus? Both pop stars have been ruling the charts, but only one can move on to the next round of the Hottest Star of 2014!

Iggy Azalea is having her breakout year, and it doesn’t look like her rise to stardom will be stopping any time soon. The Australian rapper is making waves with her hit ‘Fancy’ and her collab on Ariana Grande’s chart-topper ‘Problem.’ It’s impossible to turn on the radio without hearing her catchy rhymes — and we wouldn’t have it any other way. Iggy has rocketed her way to success in the last year, even claiming a substantial spot in the popular pastime of viral lip-syncing videos. The girl is on fire!

Miley Cyrus may not be new to the music scene, but she is currently owning it. Is it possible to own a computer or TV and not know every word to ‘We Can’t Stop,’ ‘Wrecking Ball’ and ‘Adore You’? Even if you aren’t familiar with her hit tunes, Miley’s nude selfies, controversial videos and unrivaled personal style have her in the headlines enough that everyone would know her name anyway. The ‘Bangerz’ star’s career is sizzling.

Which blonde singer do you think is most worthy to move on to Round 2 of the Hottest Star of 2014 competition? Vote for Iggy Azalea or Miley Cyrus once per hour until the polls close on at 12PM ET on June 27.

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