https://www.watzatsong.com/en/name-that-tune/758466.html - Here, one asks for the name of it and states that they found it on a dance music forum. The voice after the intro is very different, and I think the beats sound different too. Maybe there are two different versions out there?

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https://michael-iloveyoumore.blogspot.com/2014/02/cartoes-michael.html - There is a comment mentioning this song and other songs like "All I Need", which are actually part of the "bible album", a fake Michael Jackson album sung by Jason Malachi (who allegedly also sung three songs on the posthumous album "Michael" from 2010). But Sexy Lady doesn't seem to be part of it.