Robyn Gibson has filed to end her marriage with Mel, citing “irreconcilable differences,” TMZ reports. Though the papers say the separation date is “to be determined,” sources say they’ve been split up for two and half years. There’s no prenuptial agreement, so by California law, Robyn will could be entitled to half of the estimated $900 million Gibson has made during their union. Robyn signed the papers the day before Good Friday. (More Mel Gibson stories.)