“I’ve already got it [a bridesmaid spot],” the actress told RadioTimes.com.
Of course, it was natural Williams would play some part in Turner's nuptials to Joe Jonas given the pair have been inseparable best friends since they met on the set of Game of Thrones, where they play sisters - Arya and Sansa Stark.
Turner and Jonas announced their engagement on Instagram in October after about a year of dating, though Williams reveals no date has been set for their big day.
"We’re waiting until this season’s done until we get into any of that but I think she’s already let her little heart wander and imagine," Williams said.
One thing's for certain: we can't wait to see photos.