Kanye West, Rihanna, Paul McCertney Collabo In A New Song

Kanye West dropped a hint about a collaboration with Paul McCartneyand Rihanna at the iHeartRadio industry event on Thursday and now their new song, “FourFiveSeconds”, is finally here.

At the event, West previewed the track in brilliant auteur fashion—streaming a few seconds off his computer. 

You can download the song "FourFiveSeconds" on iTunes; 

Last night, Rihanna tweeted out a link to the song, offering fans a “first glimpse” at her new music:

"FIRST GLIMPSE AT MY NEW MUSIC!!!--->

http://www.

 http://www.rihannanow.com "