The raw, black and white visual showcases Rihanna's softer side as gets emotional midway through the sentimental lyrics.
Kanye also lets out some frustration, while Beatles star Paul strums on the guitar. It's a pretty legendary collaboration, as RiRi, Kanye and Paul are also dressed in double denim.
Rihanna, 26, looks stunning in the video as she sports slicked back hair and flashes a little cleavage thanks to her well-positioned denim jacket!
Rihanna premiered the video just hours before it was announced that she will be performing at the 57th Annual Grammy Awards!
The songstress will deliver a world debut performance of 'FourFiveSeconds' with Kanye and Paul on Sunday 8 February - we can't wait!
Meanwhile, Kanye, who unveiled his 'Only One' music video starring daughter North last week, will also take to the stage for a "never-before-seen solo performance"!
Seven-time Grammy winner Rihanna is up for Best Rap/Sung Collaboration for 'The Monster' with Eminem. And 21-time Grammy winner Kanye is up for two awards this year: Best Rap/Sung Collaboration and Best Rap Song for 'Bound 2' with Charlie Wilson.
The prestigious awards ceremony will also see performances from the likes of Lady Gaga, Jessie J, Tom Jones and Adam Levine.
Reveal is now on Google Plus! Join us here for the latest pictures, fashion and celebrity news!