It's been quite the year. And in true end-of-an-era fashion, there's nothing more fitting than a roundup.
Our friends over at Skylines sorted through 36,062,029 unique Twitter photos from the past week and compiled the most shared and retweeted. Demetria Lovato, One Direction and Justin Bieber make their usual appearances -- plus you'll enjoy a few surprises. Check out the gallery above to see the top 10.
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