When electing the hottest star of 2013, we didn't say this was going to be easy. Case in point: choosing between Justin Bieber and Harry Styles of One Direction. Are you up for the task? You better be! It is your civic duty to vote for one of the two!

Justin Bieber is as well known for his music as he is for his hot shirtless selfies he is forever posting on his Instagram page. Now that he and Selena Gomez are dunzo, the 'All Around the World' singer is single and ready to mingle. What's hotter than that? Nothing. Nothing, we say!

Then there's Harry Styles, who is as dreamy as the day is long. That floppy hair? That lovable smile? It all adds up to a seriously hot guy. The One Direction member has had his pick of the ladies for a reason, aside from being cute as a button, Styles has got an absolutely charismatic and cute personality to boot. Plus his accent? Swoonworthy in every sense of the word.

So whose should advance to the next round for Hottest Star of 2013? Vote once per hour for Justin Bieber or Harry Styles before polls close on Aug. 30 at 2:00PM ET.