Union J takes a quick dip before hitting the stage at G-A-Y’s Pool Party on Saturday afternoon (August 16) in London, England.

The guys – Josh Cuthbert, JJ Hamblett, Jaymi Hensley, and George Shelley – performed some of their hits, including their new single “Tonight (We Live Forever).”

PHOTOS: Check out the latest pics of Union J

Recently Union J revealed that they were having their first album signing.

“Who’s coming to our first signing tomorrow?! #UnionJAtMerryhill,” the band Twitter page tweeted.

Earlier this week, Union J made their way over a little bridge while leaving the ITV Studios.

30+ pics inside…