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Jedward shaved off their famous quiffs live on air in honour of their mother, who died from cancer in 2019. 
Ever since shooting to fame on The X Factor in 2009, the Grimes twins have made a trademark look out of their gravity-defying dos, rocking quiffs of varying heights over the years.
However, John and Edward decided to shave off their hair to raise money for the Irish Cancer Societys Daffodil Day appeal. 
The 28-year-olds appeared on RTEs The Late Late Show on Friday night, and fulfilled their pledge to shave it all off raise money for cancer support services. 
The twins said they were sending strength, unity and solidarity to anyone being treated for cancer, before John picked up the electric razor to free his brother of his quiff.
Edward said: Weve had this hair for over 10 years. Its part of our identity. I dont think wed be here today if we didnt have the hair, but this is the first time were going to have our hair like this since the beginning of Jedward.
Jedward are known for their hair-raising quiffs (Picture: YouTube)
The boys wanted to raise money for Daffodil Day (Picture: RTE)
The Under Pressure joked that he would be investing in woolly caps and sunscreen but when he caught his reflection, he demanded that viewers pick up the phone.
He said: Jaysus! Donate, donate right now. Who am I? Who is this person?, before joking that he was a doppelgänger for Sinead OConnor.
After Edwards locks were shorn, he swapped places to shave his brothers head, with John saying: Its for a good cause. This had to be done eventually.
The pair quipped that this was a new grown up Jedward, as people never saw beyond the hair.
Jedwards efforts along with appeals from stars including Westlifes Shane Filan and Cavan GAA star Oisin Kiernan helped raise an incredible 2.5million (£2.1m) for the Irish Cancer Society. 
Quite the transformation (Picture: Twitter)
Susanna died in 2019 from cancer (Picture: Instagram)
Earlier in the show, Jedward performed an acoustic rendition of Cyndi Laupers True Colours.
They also shared that as well as their mum battling cancer, their grandad had previously been diagnosed with lung cancer and skin cancer. 
John and Edward were commended by viewers, with one person tweeting: Jedward are just sound sound lads really, arent they.
Another tweeted: Whatever you think about Jedward, they are actual legends and such selfless lads to do such a thing.Their mother would be so proud. So much respect!
The twins mum Susanna Grimes passed away two years ago after living with cancer for many years.
At the time, the singers said: Rest In Peace Mammy. You live on through us. We will miss you and your smile.
You shaped the character of who we are. Mammy lived with cancer for many years but was always full of life! You live on in our Memories and will always be alive in our Hearts.
Susanna worked as a schoolteacher in Dublin, but also worked as her sons manager, and was instrumental in their rise to stardom after they came to fame on The X Factor in 2009.
She was survived by her three sons, John, Edward and Kevin, and her husband John Grimes Snr, who she lived with in Lucan, Dublin, until her death.
To donate to Daffodil Day, visit the Irish Cancer Society.
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