Jack Nicholson and Meryl Streep had an on-set fling back in the day

Jack Nicholson and Meryl Streep are alleged to have had a fling back in the 1980s.
The Hollywood icon - renowned for his prowess with the ladies - allegedly struck up a relationship with Meryl on the set of their 1987 drama 'Ironweed', and the pair even had sex in his trailer