Ant McPartlin suffered a nasty head injury while filming the 'Britain's Got Talent' auditions.

Ant and Dec co-host Britain's Get Talent

Ant and Dec co-host Britain's Get Talent

The TV host, 46, needed medical attention at the side of the stage after smashing a coconut against his forehead.

During the show, Ant grabbed a coconut and attempted to crack it open with his hands before slamming it into his face,

His presenting partner Declan Donnelly, 46, pointed out the stunt had left Ant with a bloody gash before they called in medics to help.

Dec told his pal: "You've cut your head on a coconut ... You're going to have to (get it bandaged) to stop the infection."

Ant was then seen having a large bandage wrapped around his head by a medic.

The wounded star protested, saying: "This is very extreme for a little tap on the forehead. When do I change this (bandage)? When I get home?"

As he wrapped the bandage around Ant's head, the medic told him: "Yes, a new one every day for three weeks," which left the star in fits of giggles.

After the dressing was complete, Dec then joked: "'I tell you what though, you might be able to do it (crack the coconut) now. You've got some padding!"

Ant then joked: "I won't be able to do it now! That will open the wound, that will!"

He then returned to the stage and continued to bash his head against another coconut.

'Britain's Got Talent' is back on TV for a 15th season, with Ant and Dec returning as co-hosts alongside judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams.