Conversation so far:
Is Forever the name of one of Spice Girls' albums?
Forever is the third studio album by English girl group the Spice Girls.
Was Spice Girls' Forever a popular album?
Despite failing to match the commercial success two previous albums, Forever peaked at number two on the UK Albums Chart and was certified Platinum by the British Phonographic Industry.

Question: Was that the reason that the spice girls took a hiatus?
Self-contained rewrite: Was the commercial failure of the album Forever the reason the Spice Girls took a hiatus?