EXCLUSIVE: A professional wedding speech writer has revealed the biggest mistake couples make on their big day – plus what to avoid to make it memorable for the right reasons ...

In this episode of Best Men they are joined by wedding speech expert Heidi Ellert-McDermott, whose company Speechy aims to make these set-pieces of the big day as entertaining as possible.

"I refuse to spout how awesome their relationship is or honestly anything about him that isn't true," the maid of honor wrote on Reddit ...