Khloe Kardashian filed for divorce from basketball star Lamar Odom, according to E!.
A rep for Kardashian declined to comment to HLN on the report, and the 29-year-old reality star also stayed mum on social media -- as did the entire Kardashian clan.
The couple has been married for four years, tying the knot in a lavish September 2009 ceremony.
TMZ reports that the pair has an ironclad prenup, with assets having been kept separate during the marriage. The reports come after months of speculation surrounding the state of their marriage, which was fueled by revelations of Odom's drug use and rumors of infidelity.
Despite Kardashian's relative silence on the rumors, she posted a cryptic message on Instagram Thursday, hinting at heartbreak: