Supergirl Melissa Benoist Can't Get Enough of Joni Mitchell

"I have muscles that we add, because no way am I that muscular," says the actress of her "Supergirl" costume. She talks squeezing it on, plus her love for Gene Kelly and Joni with Lynn Hirschberg.

Released on 9/14/2016

Credits

Starring: Melissa Benoist

Transcript