When he finds somebody he likes, this salt-and-pepper-haired star wastes no time in going after them.

Sources say that George Clooney has a crush on British TV presenter Cat Deeley and recently made his move on the set of late night talk show host, Jay Leno.

The Hollywood heartthrob met the stunning blonde when she interviewed him for NBC's "The Tonight Show," in which she has been earning rave reviews in the U.S. working as an entertainment reporter.

George was said to be completely smitten with Cat - who split from her PR executive boyfriend Mark Whelan earlier this year - and wasted no time in asking her out on a date.

According to Britain's Daily Express newspaper, a source said, "He flirted outrageously with her and she flirted back. Afterwards, he asked for her number, saying he'd like to take her for dinner."

Cat is not the first female British star to attract the romantic eye of the "Ocean's Eleven" actor. The 45-year-old previously dated model-and-TV presenter Lisa Snowdon but the pair eventually called it quits on their off-and-on again romance last year.

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