While Mairead usually holds the title of the best dancer in the Today FM studio, on this occasion she had to accept defeat and settle for second as she was joined by Dancing With The Stars judge Brian Redmond.
We're all used to Brian the stony faced judge but it seems he wasn't always this way. For Tell Me Something I Don't Know he told Mairead a tale about 16 year old Brian involving Russian soldiers and being escorted out of The Kremlin.
They also chatted about all things Dancing With The Stars and reminisced on Mairead's time on the show.
To hear the chat in full press the play button above.