1. Playing Pool
One Direction's Niall Horan tweeted this picture with the caption "Wohooooooooo! Best of 3 , I win! @dynamomagician ! Who's next?" and his fans just loved it. It was retweeted more than 14,800 times and reached more than 14.5 million people.
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Boy bands from across the globe dominated the Twitterverse this week. Twitpics from pop band One Direction and South Korean artists were hard to get away from with thousands of retweets reaching tens of millions of people.
Our friends at Skylines took a look at what was dominating the Tweet-decks, and most of all, getting the most attention by re-shares.
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They found lots of pics of these celebs hanging at home or with friends -- and fans just ate it up.
What was your favorite Twitter picture from this week? Tell us about it in the comments.
This story originally published on Mashable here.