One of Hollywood's hottest couples just called it quits.

E! News has learned that it's over for Katie Cassidy and Matthew Rodgers. The Arrow star filed for divorce on Wednesday, Jan. 8 in L.A. Superior Court from her beau, which comes nearly 13 months after they got married.

While it's unclear why the two have split, the 33-year-old star cited "irreconcilable differences" as a reason for their divorce, according to court docs. It also appears things have ended on amicable terms, because the Arrow actress has yet to change her married name on her Instagram bio.