Movember MPs Henry Smith and Michael McCann on cancer
1 November 2012 Last updated at 13:48 GMT
Two MPs explained they were were taking part in the Movember campaign to raise money and awareness to fight prostate cancer.
But neither Henry Smith or Michael McCann reckoned they would be able to grow a lot of hair in the coming weeks.
Former London mayor and MP Ken Livingstone spoke about his famous moustache - and why it was never coming back.
They spoke after a montage of famous and fake moustaches.