Khloe K. Files For Divorce From Lamar Odom

After four years of marriage and months of speculation by the media, Khloe Kardashian has filed for divorce from Lamar Odom, ET has learned.

The 29-year-old Keeping Up with the Kardashians star cites irreconcilable differences in her legal docs as the reason for her split from the 34-year-old NBA pro.

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This doesn't come as too much as a surprise as the media has been churning out stories all year regarding the couple's troubled marriage and Lamar's alleged drug problem. Khloe even addresses the rumors in the season 9 super tease (WATCH) for KUWTK. "I've been in hiding because I'm afraid of people. I have major anxiety," she said of the pressure from the paparazzi.

Khloe and Lamar were married on Sept. 27, 2009, exactly one month after they met. Are you surprised by this split?