The skies aren't so friendly with Ashley Greene around! The Twilight Saga star is ruffling feathers on the set of Pan Am — clashing with cast and crew during filming of her three-episode arc on the struggling TV show.

"Ashley came rolling on to the set acting like a queen bee," an insider tells Star.

"She was stuck-up with the crew and acted like appearing on TV amounted to slumming. She referred to herself as a 'real movie star,' and said she was sure her guest stint would boost ratings."