With so much going down on social media these days, we’re counting down the most interesting tweets of the week so far:

NEW YORK, NY - JANUARY 31: Nicole 'Snooki' Polizzi attends the ESPN The Party at Basketball City - Pier 36 - South Street on January 31, 2014 in New York City. (Photo by Michael Loccisano/Getty Images For ESPN)

1. Katy Perry is a woman of the people, and she has a few words of wisdom when it comes to gym etiquette:

Ronan Farrow has a theory about Oprah’s rumored plans to buy the L.A. Clippers:

3. Child stars stick together! After “Matilda” star Mara Wilson after she said she’ll never “be the kind of celebrity people ask to the Prom,” this happened:

4. Snookihad better watch her words, otherwise people will think she’s one of those animals that eats their young:

5. “Mean Girls” is officially a decade old this week, and “One Tree Hill” alum Sophia Bush is turning the (lunch) tables on the Plastics:

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