Holly Willoughby was left mortified live on Thursday's This Morning as she unintentionally let slip a Strictly Come Dancing 'spoiler' as contestant Will Mellor appeared as a guest on the show.
Early favourite to win the new series of Strictly, Will has had a rather up ands down few weeks on the BBC programme, having been struck down by a virus heading into week four, right after he and pro partner Nancy Xu had bounced back to fine form with their Dirty Dancing themed routine for Movie Week.
After receiving t heir lowest score of the series seven days earlier, Will and Nancy bounced back in style as Strictly hosted a BBC 100th Birthday special,. with their Viennese Waltz to the Line of Duty theme tune. This coming Saturday is Strictly's annual Halloween Week, with Will and Nancy performing to Stereophonics and Tom Jones' duet Mama Told Me Not To Come.
READ MORE: Karen Hauer gives Strictly fans glimpse of 'rarely seen' husband
They took a break from rehearsals to join Holly and co-host Phillip Schofield on This Morning, when Holly accidentally gave away a crucial bit of Will and Nancy's performance.
Reacting to it being Halloween Week, Holly said: "This week, again it's one of my favourite weeks because it's Halloween, and I love all the outfits, hair and make-up is wonderful. I'm not going to ask you who you are because I think you're keeping it under wraps, or are you?"
Struggling to hide his laughter, Will quickly replied: "Under wraps? Do you mean that?" An increasingly panicked Holly responded: "No, did I just give a clue?"
"Yeah, we're mummies! I thought you did it on purpose!" he replied back as Phillip started chuckling and Holly quipped: "I'm more clever than I think I am sometimes!"
Addressing comments from puzzled fans that the song he and Nancy are dancing to doesn't fit the Halloween theme, Will then added: "What we're dancing to - it's not really a Halloween song, but it's Mama Told Me Not To Come by Tom Jones. It's a great song. It's a great routine; she's a genius. It's a bit of fun; it's a family show. We come out of our coffins and we dance and come alive for a minute and 40 seconds."
READ NEXT: