The 26 (5) Biggest News Stories of 2015 - According to Billboard

1. Taylor Swift bans Adele posts on Tumblr Adele's '25' Album Breaks *NSYNC's Single Week Sales Record
2. Terrorists Attack Eagles of Death Metal Concert at the Bataclan in Paris
3. Britney throws shade at Wiggy Australia after "Pretty Girls"
4. Meek Mill v Drake
5. Carly Rae Jepsen's E•MO•TION sells 1M copies
18. Lady Gaga Performs a 'Sound of Music' Medley at the Oscars