Unlike her Game of Thronescharacter021 Archives Sansa Stark, Sophie Turneroccasionally has things to celebrate, like turning 21.

Her co-star, Maisie Williams, unleashed a powerful weapon on her TV sister's birthday -- a throwback shot featuring a bunch of trends from seven years ago. She likesdoing that a lot.

SEE ALSO: Maisie Williams drops hints about Arya Stark's 'Game of Thrones' S7 journey

This Tweet is currently unavailable. It might be loading or has been removed.

The duo, who have become besties in the years since, are in a bookstore among ancient artifacts like CDs as Williams awaits a teenage growth spurt.

We can't wait to see how Turner retaliates.