Jimmy Kimmel 's back in the office in anticipation of 'Live!" returning to air Tuesday night -- and we've got video proof!

Check it out ... the late-night talk show host pulls up to his Hollywood studio in an Audi sedan and heads into the building ... looking straight-faced and ready to get to work.

He broke his silence following last week's suspension of his show earlier Tuesday ... sharing a photo of himself with Norman Lear and announcing he misses his pal. The picture said a whole lot more, considering the late screenwriter and producer was a change-making proponent of the First Amendment.

As we reported, ABC announced Monday they would allow Jimmy back on air following "thoughtful conversations" with him. Gallery Launch Gallery Getty

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