Barbra Streisand details how her battle with stage fright dates back to experience in "Funny Girl"

Despite her celebrated career, Barbra Streisand said that her performances have been shadowed by a fear of forgetting her lines — a fear that took root during her early days in Broadway's "Funny Girl."

She said the off-script, on-stage behavior of her "Funny Girl" co-star Sydney Chaplin, Charlie Chaplin's son, drove her into therapy and instilled a deep-seated anxiety about live performances.

"He kept talking to me on stage under his breath. Not looking at me in the eyes. You know, looking, like, at my forehead or my hair or something. And talking. Like a crazy person," she told "CBS Mornings" co-host Gayle King.