Snap-arazzi: The best celebrity Snapchats of the week (3/12 - 3/18)

By: Gibson Johns

A week after her sister Kim Kardashian joined Snapchat, Kourtney Kardashian made the plunge and decided to start an account of her own, and we've never felt so blessed.

In seven short days we've gotten so many more inside looks into the Kardashian lifestyle that we feel like we've actually begun to be able to "keep up" with them!

SEE ALSO: Here's a complete list of all of the celebrities on Snapchat

North "Nori" West has become the undisputed star of Kim's hilarious story, and we now know that Kourtney and ex Scott Disick are totally fine -- they hang out all the time!

Rob Kardashian celebrated his birthday this week, and Kylie, Kendall and Khloe brought the LOLs by going incognito on a Hollywood bus tour. But enough of the Kardashian-Jenners.

Serena Williams also showed off her bangin' bod in a series of sexy swimsuit selfies during the Indian Wells tennis tournament in Palm Springs. Reese Witherspoon and Jessica Alba hung out with their look-alike children, while Taylor Swift made a few surprise appearances of her own.

Want to add some of these celebrities to your own Snapchat friends list? Check out the gallery below for all of their usernames in one place:

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