After a report surfaced claiming actor Macaulay Culkin is the biological father of the late Michael Jackson's younger son "Blanket," a rep for the star is laying that rumor to rest.

A rep for Culkin tells ET: "The inquiry is too preposterous to even acknowledge."

Click here to see ET's exclusive video of Culkin with the King of Pop from the 'Home Alone 2' set.

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Austin Walters died from an overdose in 2021 after taking a Xanax pill laced with fentanyl, his father said. A new law named after Austin and aimed at preventing deaths from fentanyl has resulted in its first convictions in Georgia, prosecutors said. (Family photo)

Credit: Family photo