The 37-year-old actress starred alongside Baldoni in the romantic drama, It Ends with US, earlier this year

Months after a reported rift between It Ends With Us costars Blake Lively and Justin Baldoni, she sued him for sexual harassment.

Mr Baldoni's lawyer says the allegations are "categorically false" and a "desperate attempt to 'fix' her negative reputation".

Blake Lively has reportedly sued her “It Ends With US” co-star and director Justin Baldoni over allegations of sexual harassment.

The complaint was filed on Friday with the California Civil Rights Department, preceding a lawsuit. It names Justin Baldoni, the studio behind "It Ends With Us" and his publicists among the defendants.

Blake Livelyhas sued It Ends With Us costar and director Justin Baldoni for sexual harassment.

The suit alleges that Justin engaged in a "social manipulation" campaign to "destroy" Blake's reputation.

Blake Lively has sued Justin Baldoni, her co-star in 'It Ends With Us,' accusing him of sexual harassment and attempting to "destroy" her reputation.

Justin Baldoni's attorney described Blake Lively's claims of 'sexual harassment' as 'shameful' and 'completely false' in a statement responding to the actress' shock lawsuit

Justin Baldoni appeared to use a social media post of Hailey Bieber as an example in an astroturfing plan against It Ends With Us costar Blake Lively.

Blake's claims against It Ends with Us co-star Justin, from their backstage feud to alleged 'fat-shaming' on set and claims of inappropriate sexual behaviour

Dec. 21 (UPI) -- It Ends with Us co-star and director Justin Baldoni issued a statement calling the allegations that actress Blake Lively made against him in a new lawsuit are "categorically false."

Here's the details.

Months after the release, Blake claims Baldoni's alleged behaviour caused her 'severe emotional distress'.

Months before Blake Livelyfiled a lawsuit against Justin Baldoni, her husband Ryan Reynolds allegedly blocked the It Ends With Us director on social media.

The feud between It Ends With Us star Blake Lively and her co-star/director Justin Baldoni has escalated into a lawsuit, alleging sexual harassment.

Blake Lively is suing her It Ends with Us co-star and director Justin Baldoni for sexual harassment. Baldoni has responded by branding the move a 'shameful' attempt to save her own reputation following their movie which was plagued by claims of behind the scenes discord

Lively accuses Justin Baldoni and the studio of embarking on a ‘multi-tiered plan’ to damage her reputation.

Blake Lively filed a complaint accusing director Justin Baldoni and the studio of a campaign to damage her reputation, following alleged sexual harassment. Baldoni’s attorney denies the claims, calling them false.

Years before his past issues with porn were named in a lawsuit about his alleged behavior on the set of It Ends With Us, director Justin Baldoni previously shared how he developed an "unhealthy" relationship with porn after being introduced to it at a young age.

Blake Lively has accused her “It Ends With Us” director and co-star Justin Baldoni of sexual harassment on the set of the movie and a subsequent effort to “destroy” her reputation in a legal complaint.

Is Blake Lively Suing Justin Baldoni over the ‘It Ends With Us’ backlash? Lively filed a legal complaint, which is a precursor to a lawsuit, against Baldoni and his team, claiming sexual harassment, retaliation, and more.

Blake Lively has filed a complaint against "It Ends with Us" costar Justin Baldoni, accusing him of sexual harassment, retaliation, and more.

Blake Lively has accused her “It Ends With Us” director and co-star Justin Baldoni of sexual harassment on the set of the movie and a subsequent effort to “destroy” her reputation in a legal complaint.The complaint obtained by The Associated Press, which The New York Times reported was filed Friday with the California Civil Rights Department, precedes a lawsuit. It names Baldoni, the studio behind “It Ends With Us” and Baldoni's publicists among the defendants.In the complaint, Lively accuses Baldoni and the studio of embarking on a “multi-tiered plan” to damage her reputation following a meeting in which she and her husband Ryan Reynolds addressed “repeated sexual harassment and other disturbing behavior” by Baldoni and a producer on the movie. The plan, the complaint said, included a proposal to plant theories on online message boards, engineer a social media campaign and place news stories critical of Lively. The complaint also says Baldoni “abruptly pivoted away from” the movie's marketing plan and “used…

Blake Lively’s lawsuit against 'It Ends With Us' co-star Justin Baldoni not only alleges on-set sexual harassment but a campaign to smear her online.

Blake Lively has accused her “It Ends With Us” director and co-star Justin Baldoni of sexual harassment on the set of the movie.

Blake Lively has sued her It Ends With Us co-star and director Justin Baldoni, claiming he caused her “severe emotional distress”. 

Baldoni’s attorneys condemned the complaint as “shameful,” after the co-stars appeared to feud during production.

Blake Lively accuses Justin Baldoni of 'sexual harassment,' as well as a smear campaign against her.

Justin Baldoni's lawyer slams Lively's complaint as "shameful" and says it is full of "categorically false accusations."

Justin Baldoni's lawyer slams Lively's complaint as "shameful" and says it is full of "categorically false accusations."

Justin Baldoni was dropped by WME Saturday after Blake Lively filed a sexual harassment and retaliation complaint against him Friday night.