Shirley MacLaine's surprising response to 'affair' rumors with Jack Nicholson
One leading man that she certainly didn't have a relationship with might surprise fans, due to his own high profile love life. Shirley claimed that the only two leading men she didn't fall in love with were Jack Lemmon, who she said was "like a sister to me," and Jack Nicholson. She famously worked with the latter on Terms of Endearment.