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05/03/2014 09:40 am ET | Updated May 03, 2014

Sass And iHeartRadio Photos Filled Our Twitter Feeds This Week

Twitter

Twitter was a bit chaotic this week since it was the 10 year anniversary of "Mean Girls." (The most tweetable movie in the history of, well, ever). And the fact that the anniversary feel on a rainy Wednesday meant that we spent most of the day lolling at our computers looking at all the genius memes people thought up.

Rihanna also wore GREEN LIPSTICK to the iHeartRadio Awards, causing social media to explode, and FLOTUS was spotted wearing her Princeton tank... casual Fridays, anyone? Scroll down for more Twitter lovin'.

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