(CBS) - Things may be getting serious between Rachel McAdams and Michael Sheen. The actors, who costar in the Woody Allen flick, "Midnight in Paris," made their red-carpet debut together at the Cannes Film Festival.
McAdams, dressed in an embroidered
"She's a genuinely lovely lady as well as being stunningly beautiful and very talented," the Welsh actor said of McAdams to "Entertainment Tonight Canada."
The pair, who have been romantically linked since last fall, were recently at the center of engagement rumors after McAdams was spotted wearing a ring on her wedding finger. But a rep for Sheen shot down speculation, telling People magazine that the two are not engaged.
McAdams, 34, previously had relationships with actors Ryan Gosling and John Lucas, while Sheen, 42, once dated Kate Beckinsale, with whom he has a 12-year-old daughter.