On this day, December 16, 2007, Beyonce AKA, Queen Bey held the top spot on Billboard with “Irreplaceable”. The song was from her album, “B’Day.” “Irreplaceable” was written by Neyo, Mikkel Eriksen, Tor Erik Hermansen, Espen Lind, Amund Bjørklund and Beyoncé. It was the most successful song of the year and sold over $4 million copies.