Joyous Hammers went wild in Prague as Jarrod Bowen's last-minute winner secured their first European title in a generation.
Die-hard supporters in the Letna Park fan zone sprayed beer in the air as David Moyes' men lifted the Europa Conference trophy on Wednesday night.
And thousands more ticketless fans hit the bars as they toasted their first major European title since 1965 to a chorus of "West Ham are massive, everywhere we go".