Actress Kat Dennings is getting candid about the "very harsh" criticism she received about her physical appearance as a child actor.

Kat Dennings reflects on the negativity and criticism in her early Hollywood experiences as a child actor, and how she overcame it through resilience.

Kat Dennings recalled a casting director calling her 'fat' and not 'pretty enough' when she was 12 years old: 'How can anyone say that about a little kid? This is insane.'

In an exclusive conversation with PEOPLE, Kat Dennings looks back at the harsh critiques she received from casting directors as a child actor and recalls how she was told she was "fat" at just 12 years old.

After 25 years of acting, Kat Dennings has seen the entertainment industry become a much more inclusive place.

It was pretty crazy thinking about it. I’m like, ‘How can anyone say that about a little kid? This is insane,'” Dennings recalled.

Since getting her start on the WB sitcom “Raising Dad” 24 years ago, Kat Dennings has seen it all. In a recent conversation with People, Dennings discussed casting directors who were “very cruel” to her even at a young age.