This week's most popular songs across all genres, ranked by radio airplay audience impressions as measured by Nielsen Music, sales data as compiled by Nielsen Music and streaming activity data provided by online music sources.

A list of Grammy 'Song of The Year' Awards winners since inception.

Taylor Swift, celebrity known for her share of controversies and strings of high profile relationships and break-ups as much as for her music.

Beyoncé Giselle Knowles-Carter is an American singer, songwriter, record producer and actress. She performed in various singing and dancing competitions as a child and rose to fame in the late 1990s as lead singer of R&B girl-group Destiny's Child.

Taylor Swift is a 10-time GRAMMY winner, the youngest recipient in history of the music industry’s highest honor, the GRAMMY Award for Album of the Year and she is the only female in the history of The Grammy's to win Album of the Year, twice. Taylor is the only artist in history to have an album hit the 1 million first-week sales figure three times.

Top song each week