Although the final whistle saw the Hammers run out 2-1 winners, it was a magnificent occasion for those Hatters fans in attendance, and below is a special picture gallery of their evening.
21. Kenilworth Road hosts Premier League football
Ross Barkley goes through his final stretches. Photo: Eddie Keogh
22. Kenilworth Road hosts Premier League football
Luton fans in good voice during the game. Photo: Liam Smith
23. Kenilworth Road hosts Premier League football
Luton fans in good voice during the game. Photo: Liam Smith
24. Kenilworth Road hosts Premier League football
Luton fans in good voice during the game. Photo: Liam Smith