In a club statement on their website, Madrid said: "Real Madrid CF announces that tomorrow, Thursday, at 12:30 p.m., the presentation of our player Trent Alexander-Arnold will take place at Real Madrid City.
"Previously, Real Madrid president Florentino Pérez will welcome Trent Alexander-Arnold for the formal signing ceremony that links our new player to the club for the next six seasons.
"Following the presentation, Trent Alexander-Arnold will address the media in the press room at Real Madrid City."