Looks like Patrick Mahomes will turn 30 years old without a public shoutout from his best bud's fiancée ... as Taylor Swift was notably absent from a Chiefs video that featured a host of celebs wishing him a happy birthday.

Kansas City's NFL franchise just dropped some special footage for Mahomes' big 3-0 ... splicing together a compilation of several A-listers who went out of their way to send well wishes to the quarterback. X/@chiefs

David Beckham , Kane Brown , Bobby Witt Jr. , Peyton Manning , Pat McAfee , Rob Riggle , Kevin Richardson and Eric Stonestreet were all showcased. Mahomes' coach, Andy Reid , a few of his former teammates -- Chad Henne , Alex Smith and Mitchell Schwartz -- and Brittany Mahomes and their kids were all

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