"Supergirl: Woman of Tomorrow" star Milly Alcock and DC Studios co-chief James Gunn have shared the first image from the set.

Both Gunn and Alcock shared the same picture of the latter parked in one of those director chairs that can be found on movie and TV sets to commemorate the start of principal photography at Warner Bros. Studios Leavesden. See for yourself below, and take a close look at the S symbol on the back of the chair.

DC Studios co-head James Gunn is celebrating the beginning of filming of Supergirl, which stars Milly Alcock in the titled role.