Nathan Fillion Courting Marriage With George Clooney’s Ex

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Krista Allen never corralled a proposal out of George Clooney during their two-year relationship — but the former “Baywatch” babe is currently being stormed by “Castle” star Nathan Fillion!

“Krista feels like they’re a match made in heaven,” an insider said.

Nathan, 44, popped the question to Krista, also 44, in early November, according to insiders. The couple originally hooked up in 2014 after Krista appeared on Nathan’s long-running ABC series.  

“She’s played the waiting game with George, but Nathan stepped up to the plate and says he wants to spend the rest of his life with her,” the source added.