The year was 2007. Kim Kardashian was best-known as Paris Hilton's best friend (if you knew her at all) and Fall Out Boy was pretttttty, pretty cool at the time.
See: Tag body spray.
See also: long, lingering glances.
In said video, a big-shot chimpanzee is hired to direct the video and the guys aren't really digging his style.
Especially because of how "hands-on" he is with Kim. Pete leaves.
But then he comes back and Kim and Pete kiss while the evil chimp watches.
And in the end, the chimp won Kim's affection anyway.