At a new year's karaoke party, they discover an embarrassing passion for singing pop ballads together in harmony and in public.

If housemates could last the next few hours bettering themselves they would receive a treat, they later received a karaoke party.

Impromptu karaoke parties where huge crowds gather to watch outdoors.

Penguins are capable of a range of songs that would embarrass most karaoke parties, scientists have discovered.