Olsen twins attend brother's wedding in Hollywood Hills

Twin sisters Mary-Kate and Ashley Olsen made a rare public appearance at the wedding of their older brother, Trent Olsen, in the Hollywood Hills. The former child stars, who have largely retreated from public life, attended the ceremony alongside their sister, actress Elizabeth Olsen, and other family members.

The wedding took place in late June, with photos from the June 25 celebration being shared on the couple's Instagram account on June 26. The images show the Olsen siblings together in a formal family portrait. Mary-Kate and Ashley, both 40, wore coordinated black outfits. Ashley was accompanied by her husband, artist Louis Eisner. Their younger sister, Elizabeth Olsen, 37, who is expecting her first child, also attended with her husband, Robbie Arnett. The couple's half-siblings, Courtney and Jake Olsen, children of their father David from his second marriage, were also present.

Trent Olsen, 42, whose first name is James, is the eldest of the six Olsen siblings. He married Alexis Armistead. The family photos were captioned simply "Family" by the bride.

The appearance marks a notable outing for Mary-Kate and Ashley, who formally retired from acting in the early 2010s to...