This definitely gives special meaning to the phrase "giving one's shirt off one's back"—or, in this case, one's blue-checkered PJs.
Sienna Miller poignantly recalls the time when she and her Casanova costar, the late Heath Ledger, went out one night with her mother while shooting in Venice.
"It had been pouring with rain and Heath ran out in the middle of St. Mark's Square and we were running around, and I slipped over on my arse," she tells the U.K.'s Telegraph. "He picked me up and everyone started laughing. We all ran back to his flat and he gave me these dry pyjamas to get home in."