The pair starred in the 2004 film and have recently rekindled their friendship, according to media reports.
An eyewitness claims the couple "looked really close" while eating at Cuban restaurant Babalu in Santa Monica, California, on Feb. 19, saying, "They knew people were watching them, so they didn't hold hands or kiss, but when they left the restaurant, they hid behind the bush. Were they kissing? Maybe."
Five days later they were spotted again at West Hollywood's Astro Burger diner laughing and enjoying lunch before Biel flew to Paris for the spring fashion shows and Reynolds began work on his new movie.
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