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Jane Carrey, Jim Carrey

John Shearer/Getty Images

When we last checked in on them a year ago, Jim Carrey's daughter Jane had separating from her husband of 11 months.

Now, the other shoe has dropped, and Jane has officially filed for divorce from Alex Santana.

But are the two going to fight over custody of their kid?

Jane, the frontwoman of The Jane Carrey Band, blames her split from Santana, lead singer of the metal band Blood Money, on the catch-all "irreconcilable differences," according to her petiton filed on Oct. 20 in Los Angeles Superior Court.

But things seem fairly amicable, with her requesting joint legal and physical custody of the couple's lone child, 1-year-old Jackson Riley.

The two were married for less than a year before splitting last October. At the time, a rep for Alex told E! News that the couple "will remain friends and devoted parents," while Jim Carrey was there for Jane as a shoulder to cry on, inviting her and his grandson to the New York set of Mr. Popper's Penguins