Very brief, but the whole video is worth watching because it's just hilarious. Christina Ricci did an interview with Graham Norton for his television show (broadcast through BBC and BBC America) where she talks briefly about filming Bel Ami with Rob. The discussion starts at about 0:32 and ends at 1:35 but like I said, the whole video is excellent!
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Bonus: Christina talks about not being able to shave her armpit hair so the film is "historically accurate". Freaky but hilarious!