Julia Roberts & Tom Hanks' Onscreen Sexual Chemistry Evolution!

Julia Roberts and Tom Hanks step out at the premiere of "Larry Crowne" at Grauman's Chinese Theatre in Hollywood, Calif. on June 27, 2011 Julia Roberts and Tom Hanks step out at the premiere of "Larry Crowne" at Grauman's Chinese Theatre in Hollywood, Calif. on June 27, 2011

Julia Roberts and Tom Hanks first worked together in 2007’s “Charlie Wilson’s War,” where they kissed, and in “Larry Crowne” they turn up the sexual chemistry dial even more! But could there a big screen love scene in the future for these longtime pals?

“She covered the bad girl territory in ‘Larry Crowne,’ so who knows what’s going to happen next time around,” Tom told Access Hollywood’s Shaun Robinson at the “Larry Crowne” premiere in Los Angeles on Monday.

“It might be too dangerous to see come to reality!” he added of what could happen in their next big screen hook up.

As for Julia, she foresees an “R” rating if they have a third big screen project together.

“Sex. Full frontal,” Julia said with a laugh.

Tom said he enjoyed working with Julia and he explained they got along like a house on fire at their very first meeting years ago.

”[The] first time I had met her and I just thought, ‘She’s everything she’s supposed to be,’ and all we did was laugh [for] about an hour and 45 minutes,” he said.

When the pair eventually teamed up for “Charlie Wilson’s War,” Tom said the kiss they shared on screen, between two off screen friends, was debated.

“We had a lot of sitting around, we had a lot of talking about it before the act and then we had a lot of talking about it after the end,” he told Shaun.

“Larry Crowne” hits theaters on July 1.

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