It Ends With Us' costars Blake Lively and Justin Baldoni have been feuding since before the film arrived in theaters. Here's a timeline of their spat

Justin Baldoni and Blake Lively have been entrenched in a messy legal battle after costarring in the romantic drama ‘It Ends With Us’ last year

When Blake Lively, who rose to fame in the 2000s in Gossip Girl, was cast as the main character, fans became even more excited, describing her as the perfect choice to play Lily Bloom, a young woman who grew up witnessing domestic abuse and winds up in the same position years later.