Our best friends are our ride-or-die, snort-laughing, crisis solving buttresses. But what happens when a friendship ends?

In a romantic break-up, there's a cultural handbook instructing us all to sanctioned crying, bitching and ice-cream eating. Playlists, movies and a canon of literature are ready to validate the catastrophic pain of heartbreak. But with romantic break-ups, there aren't the same support systems in place to help us put back together the pieces.

Yumi Stynes speaks to women who've been through the heartache of a friendship break-up to find out how they moved on, and what marks their former besties left behind.