Azealia Banks: Multiple instances of offensive and controversial tweets leading to public backlash.

Lena Dunham: Received criticism for tweets deemed inappropriate and insensitive.

Liam Neeson: Faced backlash after sharing a story about seeking revenge in a racially charged manner.

Kevin Hart: Old homophobic tweets caused him to step down as Oscars host.

James Gunn: Old offensive tweets resurfaced, causing him to be temporarily fired from directing "Guardians of the Galaxy Vol. 3".

Gilbert Gottfried: Made jokes about the Japanese tsunami, resulting in losing his gig as the voice of the Aflac duck.

Roseanne Barr: Posted a racist tweet about a former Obama advisor, leading to her show's cancellation.

Paula Deen

Anthony Weiner

Justine Sacco