Tom Hanks once joked he wanted to drive Harry Styles to rehab.

Tom Hanks

Tom Hanks

Kathy Griffin has revealed she was backstage at an Eagles concert with the Hollywood actor and One Direction singer in Los Angeles in 2014 when the 22-year-old hunk, who she claims had indulged in a few too many drinks, approached the 'Sully' star and started asking about his career.

Recalling the exchange between Harry, who was at the show with Kendall Jenner - who she refers to as Candle - and Tom in her latest book, 'Kathy Griffin's Celebrity Run-Ins: My A-Z Index', the comedienne wrote: "Harry: Re-membah when you wuz Forrest Gump? 'Membah? 'Membah?

"Tom, still indulging: I was, yes.

"Harry: You wuz always runnin'? Membah?

"Yes, he was asking Tom Hanks if Tom remembers playing the role of Forrest Gump, for which he won the Academy Award. I can't point out here enough how Harry Styles seemed to think it was his mission to make sure Tom Hanks did not forget the names of any of his films or the fact that he had starred in these films.

"Harry: That was a good film.

"Tom: I do remember.

"Without explanation, Harry Styles turned and pivoted away. Tom Hanks had been pretty much frozen in the same sport during this magical and epic exchange. Tom's answer was perfect and delivered very dryly:

"Tom: Sometimes, I just want to drive them to rehab myself."

Kathy also recalled Harry quizzing Tom about several of his other movies, including 'Captain Phillips' and 'Saving Private Ryan', and joked the conversation was playing out as though the 1D star was setting the actor a "memory brain teaser" challenge.

She added: "Harry: Re-membah when you wuz savin' Private Ryan and had to bring 'im back to 'is mum? Re-membah?

"Tom Hanks politely replies with caution: Yes.

"Harry: Re-membah when you wuz in Cappin Phillips? And the other guy sez, 'Oim' the capn' now"? 'Membah?

"Tom, trying go figure this young man out: Yes, yes, I do remember.

"Harry: Was that scaarrry?

"Even I wasn't expecting that question. I turned to Tom: Yeah, Tom, was that scary?

"Tom, clearly trying to save Harry Styles from himself (in a way Candle Jenner never could): Harry, have you met my friend, the comedian Kathy Griffin? (Tom really hit the word comedian hard.)

"Harry was unfazed and returned his attention to the great Tom Hanks again ...with the questions. It was like he was doing a memory brain teaser. (sic)"

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