Few know more about love songs than the man who wrote Love Me Do, PS I Love You, Can't Buy Me Love, Say--- Look, we're talking about Paul McCartney! LOLz!
The Beatles singer-songwriter was discussing his collaborations in a DIY interview and mentioned that something he learned about Kanye West while they were writing FourFiveSeconds.
Specifically he revealed exactly how Kim Kardashian is involved in his writing process -- and it's incredibly sweet!
Related: Kim & Kanye Return To Paris...