Ah, weddings. A beautiful celebration of the love between two solid human beings like Diggle (David Ramsay) and Lyla (Audrey Marie Anderson), who have a lifetime of companionship and mutual respect to look forward to...

... And then there's Oliver (Stephen Amell), Ray (Brandon Routh) and Felicity (Emily Bett Rickards), the three points of the hottest love triangle on "Arrow," who will definitely face their most awkward interactions yet when Diggle and Lyla tie the knot during "Suicidal Tendencies" on Wednesday (March 25).

Check out an exclusive clip of their painful(ly hilarious) interactions below!