Chris Pratt files for divorce from Anna Faris

The couple announced their separation in August

FILE- In this Dec. 14, 2016, file photo, Chris Pratt, right, and Anna Faris arrive at the Los Angeles premiere of "Passengers"at the Village Theatre Westwood. Pratt and Faris have announced they are separating after eight years of marriage. The actors announced their breakup on social media Sunday, Aug. 6, 2017, in a joint statement confirmed by Pratt’s publicist. (Photo by Jordan Strauss/Invision/AP, File)

(CNN) – Actor Chris Pratt has filed for divorce from his wife, Anna Faris, citing irreconcilable differences. The couple had been married for eight years.

Pratt, best known for his “Guardians Of The Galaxy” role, filed divorce documents Friday. He’s seeking joint custody of their five-year-old son Jack.

The couple announced their separation in August.

Chris Pratt and Anna Faris announce separation