3 reasons 'It Ends With Us' became a box office hit despite Blake Lively's controversy

Sony Pictures Ent.

• "It Ends With Us" has earned over $200 million at the worldwide box office.
• The box office success comes after its star, Blake Lively, has endured backlash for several reasons.
• Here are three reasons the movie has become a sensation.

One of the biggest surprises of the summer movie season is the amazing box office performance by the Sony romantic drama "It...