Michael Sheen and Rachel McAdams

Rachel McAdams and Michael Sheen seemingly confirmed their relationship, appearing together on a red carpet at the Cannes film festival, People reports.

The couple stood alongside each other as they promoted Woody Allen's Midnight in Paris, in which they both appear.

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"She's a genuinely lovely lady as well as being stunningly beautiful and very talented," is how Sheen, 42, described McAdams, 34.

McAdams, once engaged to Ryan Gosling, recently was spotted wearing a ring, though Sheen's rep denied that the couple are engaged.