Duncan Jones disses Gaga after Grammys Bowie tribute

Not everyone thought that Lady Gaga nailed her David Bowie tribute at the Grammys on Monday night.

Gaga wore a Ziggy Stardust-inspired ensemble that included a bright red wig and a lightning bolt on her face as she performed the late singer's most recognizable hits, including "Space Oddity," ''Let's Dance," ''Changes" and "Heroes."

Duncan Jones, Bowie's son, was not impressed, it seems. The filmmaker wrote on Twitter, "'overexcited or irrational, typically as a result of infatuation or excessive enthusiasm; mentally confused.' Damn it! What IS that word!?"

That would be the Oxford English Dictionary definition of "gaga."

We take it that Jones is not a fan.

Gaga didn't seem bothered by the comment, though. The singer has been tweeting nonstop about her performance and her admiration of Bowie.

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    Andrea is an entertainment producer at CBSNews.com