Amanda was left red-faced after the revelation
Amanda then tried to back-pedal and said while laughing: "For seconds! I said seconds!"
Jamie joked: "What you do in the shower is your own business, I just want to know whether you’re facing the shower or you’re facing the… or whether you’re…."
The steamy conversation then took an even funnier turn with Amanda teasing: "My husband is going to be like ‘she blinking doesn’t’!"
Earlier this year Amanda, 50, opened up about her 'primal' sex life with her husband, who she's been married to for 12 years.
Amanda and Chris have been married for 12 years
Speaking to The Sun, Amanda explained: "He can't keep his hands off me. I actually tell him off because I say, 'I don't want to have a kiss and a grope while I'm trying to load the dishwasher.'
"Chrispy's up for it any time. Always. So it's when I decide. Poor chap!"
Amanda and Chris have been married since 2008.
They share two children: Lexi, 15 and nine-year-old Hollie.
The Britain's Got Talent judge regularly treats fans to glamorous shots in which she shows off her fabulous figure.
Amanda is always ready to get her groove on
Amanda recently looked like the ultimate disco diva as she posed at home wearing a sparkly minidress showcasing her amazing legs.
She told fans it was time for "Saturday Night Disco in the Holden House' as she took to Insta sharing the snap, which her followers gushed was 'simply stunning'.