The Rolling In The Deep singer addressed her message to "all of you that are complaining about Taylor being at the game."
From Whitney Houston and Madonna to Adele and Harry Styles.
The Hello singer is to perform a string of performances at "a one-off, bespoke pop-up stadium"
The "Easy on Me" singer also discussed another big reason she's been "lucky" in the industry during an interview with The Hollywood Reporter.
The 16-time Grammy winner paused her Las Vegas show for the sweet and unexpected reunion.
Friends co-star Maggie Wheeler, Canadian PM Justin Trudeau and singer Adele are among those who have remembered Matthew.