Teenagers all over the world are in mourning today and taking to the internet to share their grief!
Why the torrent of tears?
To hardcore teen fans of the heartthrob, many teenagers are feeling a level of emotion they’ve never felt before. It’s real and it’s visceral.
Zayn made the stunning announcement on the band's Facebook page, posting: "I am leaving because I want to be a normal 22-year-old who is able to relax and have some private time out of the spotlight."
His unexpected exit is prompting an outpouring of emotion.
One fan said, "It breaks my heart!"
Even his band-mates are getting all weepy. last night, Harry Styles broke down on stage in Thailand.
The hysteria may remind baby boomers of that terrible, terrible day in 1970 when The Beatles broke up.
Some fans are lashing out at Zayn's fiancé - blaming her for his decision to quit the band.
One angry fan tweeted: "A modern-day Yoko Ono!"
"You broke all our hearts," wrote another.