Reds manager Jürgen Klopp, Academy director Alex Inglethorpe and LFC's chief operating officer, Andy Hughes, joined club staff, the leader and chief executive of Knowsley Metropolitan Borough Council and representatives from building contractors McLoughlin & Harvey to celebrate the start of a new chapter for the club.
The state-of-the-art redevelopment of the existing Academy site will see the first team and youth football operations come together at a combined training facility for the first time in Liverpool's history.
"Today marks another significant milestone in the club's history," said Hughes.
"This development will not only provide first-class amenities for our players and staff - in which a clear pathway through to the first team will be created - but it will vastly improve sports facilities for the community of Kirkby.