Director Spike Lee hogged the stage during his Oscars speech for Best Adapted Screenplay for “BlackKklansman” — not letting a single other co-winner of the award get in a word at all — and a number of other winners on Sunday night thanked their parents, grandparents or other family members for helping them realize their dreams.

But one of the most authentic and entertaining parts of the Oscars telecast was the powerful performance by Lady Gaga and Bradley Cooper of their duet “Shallow” from the film “A Star Is Born” — a tune that later won the Oscar for Best Original Song.

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The pair was compelling and very much locked in the moment and on each other — with Gaga eventually moving to the piano and Cooper ultimately joining her there for an intimate finish.

And while people on Twitter immediately began speculating about whether these two “have something else going on,” what’s worth noting is this: Cooper almost certainly needed to look at Gaga the entire time he was performing, as he’s said he tends to be nervous onstage.

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The actor was trained for a specific vocal range — and he has said on several occasions that when performing the song, he needed Gaga to help keep him focused.

Either way, Twitter lit up with heated reactions to the pair’s live performance together.

Here’s but a few reactions — and don’t miss, below these, a clip of Gaga’s acceptance speech for the song:

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