ABBA have opened up about when the UK awarded them 'nul points' at the Eurovision Song Contest for their now world-famous song, 'Waterloo'.

ABBA reveals why the UK gave them 'nul points' for 'Waterloo' at Eurovision in 1974

The Story of... 'The Winner Takes It All' by ABBA

The Story of... 'The Winner Takes it All' by ABBA

Mamma Mia 2

Mother's Day: 10 of the greatest and emotional songs about mums

The appearance on Melodifestival in 1974, the TV talent competition to choose Sweden's Eurovision entry, saw ABBA win the hearts of the Swedish audience and go on to become the champions of Eurovision

When unknown ABBA sang ‘Waterloo’ in its original Swedish for their breakthrough TV appearance

It's not everyday you get a line-up of an era's legends all on one stage, but that's exactly what happened one cold January day in 1979. Pictured (L to R) Barry Gibb, Olivia Newton-John, Andy Gibb, Rod Stewart

The day ABBA, Bee Gees, Olivia Newton-John, Rod Stewart and Andy Gibb sang a staggering medley

Footage of U2's Bono singing 'Dancing Queen' with Björn Ulvaeus and Benny Andersson from ABBA in 1992 proves that even the most unlikely combinations can create musical gold.

When ABBA joined U2 for unlikely duet of ‘Dancing Queen’ and were blown away by crowd's response

Relive Andy Gibb, ABBA and Olivia Newton-John's incredible 'jam session' from 1978

Relive Andy Gibb, ABBA and Olivia Newton-John's incredible 'jam session' from 1978

Mamma Mia 2

Will there be a Mamma Mia 3? Sequel predictions and theories

Whitney Houston, ABBA, Robbie Williams and the Bee Gees are all feature on the top 30 ultimate dance floor fillers list

Brits have revealed their top 30 ultimate dance floor fillers - but do you agree?

ABBA will release new music in 2021

ABBA are releasing five brand new songs in 2021, Björn Ulvaeus confirms

ABBA's Mamma Mia 3 film in talks as creator says: 'It's meant to be a trilogy'

ABBA's Mamma Mia 3 film looks likely to happen as creator says: 'It's meant to be a trilogy'

1970s songs

The 101 greatest songs of the 1970s, ranked

ABBA are to release new music in 2020

ABBA to release new singles this year, confirms Björn Ulvaeus

Björn Ulvaeus appearing on the Eurovision: Europe Shine A Light show

Eurovision: ABBA's Björn Ulvaeus' emotional speech will make you cry

Lewis Capaldi covers ABBA

Lewis Capaldi performs emotional stripped-back cover of ABBA's 'Dancing Queen' for charity

ABBA

ABBA's 20 greatest ever songs, ranked