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Jessica Derschowitz, CBS News

Khloe Kardashian is ending her marriage to Lamar Odom.

The 29-year-old reality TV star filed for divorce fromher NBA player husband on Friday in Los Angeles, according to multiple reports.

TMZreports that Kardashian cited "irreconcilabledifferences" in the divorce documents. She also reportedly asked thejudge to drop "Odom" from her name and is not asking for spousalsupport.

The news comes after months of speculation about trouble in the couple's marriage, amid reports of Odom's drug use and infidelity, a one-day stint in rehab in September and a DUI arrest in August (he pleaded no contestMonday toone count of misdemeanor driving under the influence and was sentencedto three years probation and three months of alcohol abuse treatment).

A day before filing for divorce, Kardashian shared this quote on her Instagram account: "I am strong because I've been weak. I amfearless because I've been afraid. I am wise because I've been foolish."

Kardashian and Odom, 33, married four years ago after awhirlwind courtship, meeting just one month before they tied the knot. The two appearedon her family's E! reality series, "Keeping Up with the Kardashians," and hadtheir own spinoff, "Khloe & Lamar."