Game crashing with realms when friends are online

Put the summary of the bug you're having here

What I expected to happen was...:
I should have clicked on the realm menu and been shown the selection menu with the faces of those online beneath

What actually happened was...:
When I clicked on a loading screen came on and then the game crashed causing me to have to reset - this happened for both me and my friends numerous times

Steps to Reproduce:
1. Have a friend on a realm who has a 3d skin
2. Click on the realm menu
3. Game crashes