Emma Stone and Andrew Garfield are the adorkable maybe-couple of the moment. The pair -- who attended the Tony Awards on Sunday night, where Garfield lost Best Performance by a Featured Actor in a Play to Tom from "Smash" Christian Borle -- reportedly got together on the set of "The Amazing Spider-Man," where producer Avi Arad says they had the type of chemistry that recalled one of Old Hollywood's most elite couples: Katharine Hepburn and Spencer Tracy.

"On camera the chemistry is real," Arad told ScreenCrush in a new interview. "These two are like Hepburn-Tracy of modern time. It’s a war of brains that turns into attraction."

Hepburn and Tracy made nine films together, and were famously engaged in a "secret" love affair that lasted 26 years. (Tracy was married, but didn't divorce his wife, whom he lived apart from starting in the 1930s; his relationship with Hepburn was an open secret.)

In "The Amazing Spider-Man," Stone plays Gwen Stacy while Garfield plays the titular webslinger. Whether or not the stars have another eight films and quarter-century left in their relationship remains to be seen, but Stone and Garfield do have one thing to hold over Hepburn and Tracy: that viral video where they sang a song about "Spider-Man" in German. Sorry, "Adam's Rib"! You lose.

[via ScreenCrush]

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PHOTOS: "The Amazing Spider-Man"

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