EastEnders has given fans a sneak peek at the ructions to come later this month.
Releasing first-look photos, the BBC soap said: "The residents of Walford get into the party spirit for Zack and Whitney's 'sten-do'."
However, "a shock event" results in "chaos" at the celebrations.
Check out the pictures by clicking the camera icon above.
Fans can find out what happens next in the Thursday 16 May episode.
EastEnders airs on RTÉ One and BBC One Monday to Thursday at 7:30pm.
