Mary-Kate and Ashley Olsen pose with ALL of their siblings in rare family photo for brother Trent's wedding

and posed for a rare family photo at their older brother Trent Olsen's wedding to Alexis Armistead last month.

The trendsetting, ever-chic twins, 40, put on a stylish display in black dresses, coordinating with the rest of their family and friends as they posed beside the bride and groom.

The Full House vets both had their long, light brunette hair down in beach waves for the special occasion. 

The newlyweds shared the sweet family portrait from their big day in joint Instagram post on Thursday, June 25.

They wore floor-length gowns in the photo and stood between their father and the bride.

Mary-Kate and Ashley's younger sister  - who is  - and her husband Robbie Arnett stood just behind them. 

The Marvel actress, 37, and her musician husband, 34, were also dressed in dark, black tie attire. 

Ashley's husband, artist Louis Eisner, was also present in the family snapshot. 

Mary-Kate and Ashley's half siblings, Courtney and Jake, also stood beside them.

In a family snapshot, Mary-Kate and Ashley were seen with the groom, their older brother Trent, as well as their younger sister, Marvel actress Elizabeth Olsen; pictured from left to right: Elizabeth, Ashley, mom Jarnette, Mary-Kate, Trent