Justin Baldoni has sued Blake Lively, Ryan Reynolds for $400 million

Blake Lively at a London screening of the film <em>It Ends With Us</em> in August, left; Justin Baldoni, center, and Ryan Reynolds, right, in separate photos at the premiere of the film in New York.

Baldoni, his studio Wayfarer, and their publicists are alleging civil extortion, defamation and a slew of contract-related claims about the film It Ends With Us.

(Image credit: Combination photo)

Baldoni, his studio Wayfarer, and their publicists are alleging civil extortion, defamation and a slew of contract-related claims about the film It Ends With Us.