Before the star is off the market for good, take a look at a gallery of his previous plus ones.
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Many of his former girlfriends have gone on to find happiness. Stacy Keibler, for example is happily married and is the mother of a baby girl. Told of the engagement, she said: "I wish him nothing but happiness".
Kelly Preston has been Mrs John Travolta for more than two decades, while Talia Balsam, George's ex-wife, is married to Mad Men's very own silver fox John Slattery.