Blake Lively is gearing up to take the stand and testify against her "It Ends With Us" co-star and director Justin Baldoni in the pair's upcoming trial over Lively's claims of sexual harassment and pursuit of a smear campaign,

The case stems from It Ends With Us, filmed in 2024. In December, Lively sued for alleged sexual harassment and retaliation. Baldoni denied the claims and filed a $400 million countersuit against Lively, Ryan Reynolds and others, alleging defamation and civil extortion.