She was so obsessed with TV presenter Phillip Schofield that she ordered a lifesize cutout from the internet.
So when the silver fox, 56, asked her on a real a date, live on Thursday's This Morning, TV viewer Siobhan warned she might need her incontinence pads.
Holly and Phil were utterly gobsmacked when his admirer said she'd wearing her 'TENA lady' at This Morning Live in Birmingham in three weeks, after Phil agreed to meet her for a selfie.
Hilarious: Holly and Phil were left in a fit of giggles on Thursday's This Morning, after a viewer made a joke about incontinence pads
Phil told her: ‘Siobhan, we have to meet for real, for sure! If we get you to Birmingham, would you come and can we have a proper selfie?’
‘Yes!’ she exclaimed. ‘I'll wear a TENA Lady, just in case.'
As the shocked duo descended into a fit of giggles, Phil