Every month, we have to check out the latest issue of Seventeen magazine -- not only because of the mag's penchant for creating eye-popping and gorgeous covers, but also because lots of their cover models just happen to be huge pop stars!

So far in 2013, Seventeen has treated its readers to four lovely ladies of pop on their covers, including Ariana Grande, Kesha, Carly Rae Jepsen and Little Mix. After checking out all of these cover girls and their respective issues, who do you think has the best Seventeen cover?

Ariana Grande, who is celebrating her 20th birthday today, June 26, 2013, is the latest pop cover girl featured on Seventeen magazine. The pint-sized beauty looks so cute in her DC trucker hat, beach-y crop tee and denim cutoffs. Her smile is so dazzling, and 'The Way' songbird looks equally as adorable in her accompanying photo spread. She looks like her bubbly, fashionable self in the colorful series of Seventeen pictures, one of which you can see below.

Meanwhile, Kesha and a kitty covered Seventeen at the very start of 2013. While that kitty is just too cute to even express in words (we're sure Kesha the cat lover felt the same way), Kesha steals the spotlight with her floral crown, gold tooth, and beautiful blue eyes. That pink dress makes this 'Warrior' queen look so sweet, and we must say that this fresh-faced, au natural cover is nice change of pace from the glitter-soaked party girl we're used to seeing.

Then there's Carly Rae Jepsen, Seventeen's cover girl of March 2013. The 'Tonight I'm Getting Over You' songstress is a rainbow of color on her cover, with her kaleidoscopic dress adding a dose of vibrance to Carly Rae's subdued, yet sultry makeup and darker locks. We love Jepsen with bangs, especially since they graze and highlight those blue boppers. She also looks uh-mazing in her accompanying spread, where she poses in a variety of colorful outfits against a white background.

Finally, we've got the Little Mix ladies, who kept it lighthearted and simple on their summery Seventeen cover. Below, you can see the full cover shot, where Jade, Jesy, Perrie and Leigh-Anne look to be having an absolute blast. Of course, the girls look lovely while having a laugh, sporting a range of black and white ensembles, save for Jade, who is rocking the British flag on her T-shirt. Inside the mag, we can see the girls in the same outfits as they playfully lean on each other for balance.

Below, you can check out all of the Seventeen covers closer up, as well as some shots from inside each respective issue. Then, be sure to vote on your favorite cover girl (up to once per hour)! Is it Ariana, Kesha, Carly Rae or Little Mix?

Ariana Grande Seventeen Magazine
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Kesha Seventeen Magazine
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Carly Rae Jepsen Seventeen Magazine
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Little Mix Seventeen Magazine
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