After Jordan Clark's goal was cancelled out by Gustavo Hamer, the Hatters held their nerve from the spot and to see some of the best pictures from the evening, check out the gallery below.
5. Luton Town celebrate reaching the Premier League!
The emotion of the event is too much for Jordan Clark Photo: Liam Smith
6. Luton Town celebrate reaching the Premier League!
Luton's supporters fly their flags with pride Photo: Liam Smith
7. Luton Town celebrate reaching the Premier League!
Hatters fans are in disbelief that their side are back in the top flight again Photo: Nicky Blackwood
8. Luton Town celebrate reaching the Premier League!
Amari'i Bell shares a hug with team-mate Henri Lansbury Photo: Liam Smith