Friendship is one of the most common relationships portrayed in movies, with a few select on-screen duos being heartwarming ...

Best friends come in all shapes and sizes, regardless of their species. In fact, so many iconic BFF duos are virtual opposites! I love seeing a big dog and a small dog hanging out together ...

Fifteen years later, and their friendship is stronger than ever. Sometimes we like to imagine that the best friend duos from our favourite films and TV shows actually translate into real life.