Right royal loud mess

Transformers: The Last Knight (12) ●● ●●● You’ll be left scratching your head, and reaching for painkillers, after sitting through this bloated mess.

We get bombarded with an overload of characters, special effects and, of course, explosions. It all builds to a cluttered-but-action-packed climax at Stonehenge before another end credits sting reveals the frightening prospect of more to come.