Kim Kardashian turns 33 today!

Love her or hate her, the sex tape reality TV star knows how to stay in the headlines. 

One of the reasons for Kim's success: Her social media savvy.

With over 18.5 million followers, Kim keeps her fans coming back for more with sexy selfies, shots of daughter North West, and of course, photos of her famous family.

We're not sure what her 33rd year of life will bring -- a marriage to Kanye West, perhaps -- but we know Kim will be documenting and posting all the big moments on Twitter and Instagram!

Click on the "Launch Gallery" above to see more of the birthday girl's sexiest Twitpics.

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