"She was quite literally over it"
Coulter co-wrote 'Puppet on a String' in the '60s
"I wanted the song to sound quite chaotic, it's basically my story squished into three and a half minutes"
Other guests will include Spice Girl Mel B and Little Mix’s Perrie
Nelson left Little Mix in 2020 saying the band took a "toll on my mental health”
"All we ever knew in my life was Little Mix... I don't really remember much of my life before them"
The singer recently teased her involvement in the band's new visuals
"I can’t even listen to that song without crying"
"I couldn't hold this one in any longer - I'm doing some MORE shows later this year"
The K-pop girl group will bring their Show What I Have world tour to London this weekend