Natalie Portman and Hayden Christensen have been voted the movie couple with the least on-screen chemistry.
The loveless pair, who played Senator Padme Amidala and Anakin Skywalker in Star Wars: Episode II - Attack of the Clones, topped the poll compiled by cinema company Pearl & Dean.
Despite being a couple in real life, Jennifer Lopez and Ben Affleck failed to sizzle in their flop film Gigli, which came second in the poll.
Keira Knightley and Orlando Bloom's wooden acting skills in the Pirates of the Caribbean franchise ensured that they were third in the list, while gay lovers Heath Ledger and Jake Gyllenhaal in Brokeback Mountain also featured.
Perhaps it was the 39-year age gap between Catherine Zeta-Jones and Sean Connery in Entrapment that failed to get audiences to believe there was a spark of romance between the pair, as they came in at number five.
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