Thanks to Spindae2 for the heads up.
#Arrow just shot scenes of the Olicity wedding. Episode 416
— Canadagraphs (@canadagraphs) January 26, 2016
@ladymermaiden she was in almost every scene today. Only scenes she wasn't in was 1's Speedy did solo.
— Canadagraphs (@canadagraphs) January 26, 2016