Visible crew/equipment: When singing Dancing Queen an extra is seen falling off a ladder. If you look at the front of his shirt, a safety cable can be seen. (00:37:15)
Visible crew/equipment: When Donna is telling Tanya about Sophie's dad arriving, stage lights can be seen in Donna's glass.
Visible crew/equipment: While Sophie's with Lisa and Ali at the dock, after they admire Sophie's engagement ring Lisa bends down to pick up her handbag, and there's a rather large bulge at her lower back under her top - presumably the mic pack, which wasn't there when Lisa lifted Sophie and spun her around.
Visible crew/equipment: Near the end, when Rosie is asking Bill to Take A Chance On Me, she falls and is hanging from the roof. In one shot when she has her glasses, a light screen can be seen reflected in them.
Visible crew/equipment: When Sam is proposing to Donna, you can see a screen reflected in Rosie's glasses.
Visible crew/equipment: When Donna's friends are singing to Dancing Queen you can see a crew member reflected on the hairdryer.
Visible crew/equipment: At the end of a song near the end at the wedding reception, the stage lights and a light screen can be seen in the champagne glasses of the guests.
Visible crew/equipment: When Donna and her friends are singing "Super Trooper" at the bachelor party, you can see a crew member reflected on the colorful door.
Chosen answer: Meryl Streep and Pierce Brosnan got married because they loved each other and had done for many years. The daughter changed her mind about getting married because she realised what really mattered to her and that seeing the world while they were young and free wasn't such a bad idea after all, that she didn't need to get married and hang around for her mother's sake.
Purple_Girl