Here is what happened between Kanye West and Taylor Swift: http://new.music.yahoo.com/blogs/hiphopmediatraining/171413/kanye-west-has-truly-lost-it-this-time/

Taylor Swift interrupted by Kanye West

As Taylor continued, Kanye interrupted, saying he thought Beyonce’s “Single Ladies” video was wrongly overlooked. “Hey Taylor, I’m really happy for you, but Beyonce had one of the best videos of all time.”

Later on Kanye West apologized for his mistake.

Kanye West Apologizes to Taylor Swift on Jay Leno Show

I appreciate Kanye’s courage and integrity to apologize, but your past will stay with you!