No Joke -- Heath's Ex Spotted with New Man

Someone's got big shoes to fill.

Heath Ledger's baby mama Michelle Williams, along with daughter Matilda, hit a small airport in Santa Monica yesterday along with the new man in her life, director Spike Jonze. Obviously, the photo will only heath ledger - click to launchfurther fuel rumors that the two have reached full-on couple status.

Michelle broke off her engagement to Heath Ledger just a few months before he died of an accidental drug overdose.