"It Ends With Us" director and actor Justin Baldoni filed a lawsuit on Thursday against his co-star Blake Lively, adding another layer to the legal saga between the pair that began in December.

"It Ends with Us" director Justin Baldoni accused Blake Lively and Ryan Reynolds of defamation, while Lively's team says his attack is "desperate."

Blake Lively's alleged text messages to Justin Baldoni included a reference to Ryan Reynolds, Taylor Swift and 'Game of Thrones'

Baldoni, in a lawsuit filed in New York federal court on Thursday, alleges extortion, defamation and claims related to breach of contract, among several others. He’s joined by his film studio, Wayfarer, and its chief executive Jamey Heath, and their public relations representatives, Melissa Nathan and Jennifer Abel. They seek at least $400 million.

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 has sued Blake Lively and her husband Ryan Reynolds, alleging that the Hollywood couple sought to “destroy” him and his career, after hijacking his film, “It Ends With Us.”

The lawsuit is the latest legal action in a feud tied to the 2024 film “It Ends With Us,” which starred Ms. Lively and Mr. Baldoni, who also directed the film.

In this Deadline exclusive, it is clear the ever growing legal war between the It Ends With Us stars is getting more & more personal as more lawsuits

Justin Baldoni filed a $400 million lawsuit against his "It Ends With Us" costar Blake Lively, and Ryan Reynolds, claiming defamation and extortion.

It’s common knowledge that Blake Lively and Taylor Swift are very good friends. Now, reports are coming out left and right that Justin Baldoni referenced the “Fortnight” singer in his lawsuit against Lively and Ryan Reynolds.

The popstar and her parents dined out in downtown Manhattan Friday, one day after she was named in Justin Baldoni’s $400 million lawsuit against Blake Lively and Ryan Reynolds.