Heath Ledger locked himself in a hotel room to become the Joker [zLvRaCEgc9z] Published in Everyday Knowledge Heath Ledger locked himself in a hotel room to become the Joker ZACNYAmo0Ph FLXXcyJXvHF KD6sQyTc9Wm H7JKU5EfBQU 3yz8cvjRMFb YrjxeJkEQtG 1dzApE4q1g1