Justin Baldoni is taking legal action against his "It Ends With Us" co-star and her husband in a lawsuit he filed on Thursday.

Justin Baldoni filed a federal lawsuit against his "It Ends With Us" co-star Blake Lively, her husband Ryan Reynolds and others on Thursday.

LOS ANGELES (AP) — “It Ends With Us” actor and director Justin Baldoni has sued his co-star Blake Lively and her husband, “Deadpool” actor Ryan Reynolds, for defamation and extortion on Thursday in the latest move in a bitter legal battle surrounding the dark romantic drama.

The legal battle offers a glimpse of the feud between the co-stars of a box-office hit.

Lively's legal team spoke up hours after Baldoni filed a suit against her and her husband, Ryan Reynolds, over what transpired on the set of 'It Ends With Us' and in the weeks following the movie's release.

Justin Baldoni mentioned Taylor Swift in his heated legal battle with "It Ends With Us" co-star Blake Lively. The actor claimed Lively pressured him using Swift's friendship.

Blake Lively has accused Justin Baldoni of employing manipulative tactics in his $400 million lawsuit against her and Ryan Reynolds.

Justin Baldoni told TMZ he's 'grateful to be with the family' amid his lawsuit against his 'It Ends with Us' costar Blake Lively and husband Ryan Reynolds

Justin Baldoni released a series of alleged texts from Blake Lively to back up his claim she used her power to seize control of It Ends With Us from him, In Touch can report. In Touch obtained the alleged text messages that Justin, 40, submitted as part of his $400 million lawsuit against the Gossip...

The lawsuit is the latest step in a bitter legal battle surrounding the dark romantic drama "It Ends With Us."

Justin Baldoni is leaning on his loved ones amid his ongoing legal battle against Blake Lively. "We're grateful to be with the family, man," Baldoni, 40, told photographers on Friday, January 17, at Los Angeles International Airport in a video obtained by TMZ.