Adams was a member of four-piece boyband A1, who won a BRIT Award in 2001 for Best Newcomer and had two number one singles, 'Take On Me' (the chart-topping song that was originally made famous by and written by the Norwegian band 'a-ha') and 'Same Old Brand New You', before separating. Whilst in the boyband, Adams also scooped a Smash Hits Poll Winners Party Award for Most Fanciable Male in 2001.
It was announced in 2009 that A1 were to reform to compete to represent Norway in the 2010 Eurovision Song Contest. A1 then resigned with Universal Music Group and went on to record two further studio albums "Waiting For Daylight" and "Rediscovered" initially release in Norway which Adams co-wrote and produced. A1 are currently touring throughout the world and continue to release their new albums in the territories they visit.
Ben was a participant on the sixth series of the reality TV series 'Celebrity Big Brother', and reached the finale finishing in fifth place after the public vote, behind Coolio, Verne Troyer, Terry Christian and eventual winner Ulrika Jonsson.
Ben performed as 'Prince Charming' in Milton Keynes' 2009/2010 pantomime production of Cinderella. Also he performed as Aladdin in woking 2014/2015.
In October 2017 Ben took a leading role in the touring version of 'Flashdance the Musical', starring as Nick Hurley alongside Joanne Clifton.
Most recently, Adams co-wrote with Chris Wilkins a new original musical called 'Eugenius!' which premiered as a concert performance on 29 July 2016 at the London Palladium, which was produced by Warwick Davis (who also starred in the concert). The musical received its fully staged premiere at 'The Other Palace' from January - March 2018 and returning from 1st September to 7th October 2018, and has since received 7 'Offie' nominations at the Off-WestEnd awards.