MORE: Pauley Perrette left 'in shock' as she mourns loss of Sam Rubin and relives NCIS days MORE ... also highlighting the ...

"NCIS became a very dark place for her," says the source. "Pauley felt she ... of black clothing and had tattoos or piercings ...

Before Pauley Perrette rose to fame on NCIS, she had a surprising role on Frasier, where her appearance was quite different.

I’m good friends with Chuck Lorre, and he had written me a part for The Big Bang Theory. And I’m good friends with all of ...