It's great to have to learn something new and since I started my Twinkle Twinkle I've learned the spit splice which means that I don't have any ends to try and disguise amid this very open knit and I've also threaded beads into my knitting for the first time and love the result!
I bought the smallest crochet hook that I could (0.75mm but I think 0.5s are available) and the smallest twinkly glass beads that the hook would go through (500 of!) Thanks to my very helpful local yarn store Bangles and Tat
That's the second sleeve in the background, just a few rows and some beads away from casting off. Then it's the lace front/neck and beading the lower border, then blocking!