Four concerts due to take place at the new Wembley Stadium are going to be moved because it's not ready.
US rock band Bon Jovi were due to be the first band to play at the multi-million pound stadium on 10 June, but have moved to Milton Keynes Bowl.
Take That are also moving there and it's not clear what will happen to gigs by Robbie Williams and Rolling Stones.
The Football Association are waiting to hear when the builders will finish - it was due for completion on Friday.
Bon Jovi were due to open the new-look venue with their concerts on 10 and 11 June but have moved the concerts to the Milton Keynes Bowl, as have Take That for their gigs on 24 and 25 June.
A Take That spokeswoman said ticket holders who did not want to attend the concerts in Milton Keynes would receive refunds.
A decision has not been made as to what will happen to the Robbie Williams and Rolling Stone concerts.
The Stones are down to play two shows in August, while Williams is due to play five nights in September.
The FA have already decided to hold the FA Cup final on 13 May in Cardiff and there are plans to hold the Community Shield on 13 August there too.