But who is he?
Love at 20,000 feet?
Reports suggest Gerard Butler asked an air hostess to pass on a note to a fellow passenger.
The star of Law Abiding Citizen was apparently so love-struck that he couldn't help but try and lay on the charm.
Another passenger on the LA-bound flight told The Sun : "The woman was a jaw-dropping stunner. She was turning heads. A tall, early twenties, model-looking brunette.
"He (Gerard) spotted her and nearly fell over. It was a classic double-take."
Butler then boarded the plane, turning left into first class, but kept having a look back in the hope of catching the girl's eye.
"She was a few rows in front of us in 42B. You could see him peering back from first class. Then 15 minutes later one of the airline's ground staff came along, handed her a piece of paper and gave her a wink."
"It was priceless. All the lads on the flight laughed and she blushed and started giggling."
It's unknown who the girl is, or what happened when they landed, but keep your eye out for the girl on Gerard's arm at his next film premiere.
This is for a very serious reason.
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