Rihanna isn't saying a word about Chris Brown's alleged assault on Frank Ocean.

While leaving MyStudio nightclub in West Hollywood, the camoflauge-wearing songstress was asked about the fight, but stayed mum.

The Los Angeles Sheriff's Department confirmed the fight with the following statement:

    "Chris Brown and the victim were involved in an altercation over a parking space. The altercation allegedly led to Chris Brown punching the victim."

Ocean Tweeted, "got jumped by chris and a couple guys. lol. cut my finger now I can't play w two hands at the grammys."

Brown's rep has yet to issue a statement.

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