girls' day out!On Wednesday, Heather Rae Young invited co-star Chrishell Stause to come along to her wedding rehearsal dress fitting at the Galia Lahav bridal boutique in Los Angeles. Naturally, the two couldn't help themselves from documenting the experience on Instagram.«First I said yes, now I have a dress!» Young, who is set to tie the knot with Tarek El Moussa next summer, shared.