Jessie J went through a "whole stack of tissues" filming 'The Voice Kids'.
The former 'The Voice' coach has joined the spin-off series as the ITV show's first-ever fourth coach, but admitted she got emotional on the singing competition and was "nervous" about the judges not turning their chairs around for the young wannabes, which signals they want them on their team.
She said: "I went through a whole stack of tissues. Even watching it back I cried, but it's really been great.
"That was the biggest thing I was nervous about [when none of the coaches turn around for a contestant].
"I was like, 'Pixie, please tell me how do I ...' "
Jessie - who was a coach on the first two series of 'The Voice UK' from 2012 to 2013 - asked fellow coach Pixie Lott for advice about what to do when none of the panellists span their chairs around for a hopeful, but even if a wannabe wasn't selected she tried to ensure it wasn't a "huge negative moment" for them.
Speaking on 'Good Morning Britain', she added: "When it happened I was like, 'Please someone turn.' You have to keep your energy up because you don't want them to think it's this huge negative moment, it's actually a really important moment for them.
"I always try to give constructive criticism and give them something to go away and learn with."
'The Voice Kids' returns for its third series at 8pm on Saturday (08.06.19) on ITV, with will.i.am and Danny Jones also making up the coaching panel.
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