Not sure if this counts as a spoiler or not, but just to be safe I’m using the spoiler box... so after they do the regular lined up bows, they split into groups of 3, the choir, the friends and the family and each group walks to a different part of the stage and they all pose together. As they pose there’s a light change and a music queue. It was just a nice little touch they added at the end.
Someone actually took a picture and it’s up on Instagram:
https://www.instagram.com/p/BurEpEbnvOE/?utm_source=ig_share_sheet&igshid=isjgwuukfgww
https://www.instagram.com/p/BuoMiLnHO8r/?utm_source=ig_share_sheet&igshid=16fs4vt1m51ls