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- Blake Lively is facing backlash for her promotion of "It Ends With Us" amid feud rumors.
- Lively's lighthearted approach contrasts with her costar Justin Baldoni's serious tone.
- Experts suggest Lively address the backlash with a detailed public statement to rebuild her image.
Blake Lively was always likable. Until, that is, the public decided she wasn't.
The 36-year-old rose to fame playing the New York socialite Serena Van der Woodsen on "Gossip Girl."