Listen to Fiona Coyne: You Are the Weakest Link online. Fiona Coyne: You Are the Weakest Link is an English language song and is sung by Whackhead Simpson. Fiona Coyne: You Are the Weakest Link, from the album Oh My Greatness Hits!, was released in the year 2005. The duration of the song is 2:54. Download English songs online from JioSaavn.