Ali Larter shared a rare red carpet appearance with her 11-year-old daughter, Vivienne MacArthur, at the 2026 Step Up Annual Inspiration Awards in Los Angeles on September 25.
The mother-daughter pair attended the event together and attracted attention for their striking resemblance. Larter, known for roles including Legally Blonde and Landman, appeared alongside Vivienne at the Skirball Cultural Center.
Ali Larter and Daughter Vivienne Share a Red Carpet Moment
For the event, Larter chose a polished black suit styled with a brown plunging top. She completed the look with peep-toe heels, hoop earrings and layered bracelets.
Vivienne opted for a navy blue dress paired with black-and-white sneakers. She added a small pendant necklace to complete her outfit.
The appearance offered a rare public glimpse of Larter and her daughter together. People also noted the resemblance between the two, with both appearing in dark-toned looks on the red carpet.
Demi Moore and Tallulah Willis Also Attended
The family moment extended beyond Larter and Vivienne.
Larter was also photographed with her Landman co-star Demi Moore, who attended the event with her daughter Tallulah Willis. The appearance brought two well-known mother-daughter pairs together at the Los Angeles gathering.
Step Up is a nonprofit organization focused on supporting people experiencing serious mental health conditions and chronic homelessness. Its work includes supportive housing, mental health services and community-based support.
Ali Larter’s Family Life Away From Hollywood
Larter shares Vivienne and her older son, Theodore, with husband Hayes MacArthur.
The family moved from Los Angeles to Sun Valley, Idaho, during the COVID-19 pandemic. What began as a temporary change eventually became a permanent move after the family grew attached to the area’s mountains and small-town community, according to Larter’s previous comments.
Larter has also spoken about creating a home centered around family life. In a 2024 interview with Rue magazine, she discussed the importance of family dinners and described the kitchen as an especially important part of their home.
She also said that the surrounding mountains offered a calming contrast to the fast pace of her professional life.
Larter Continues to Balance Acting and Family
The recent appearance comes during an active period in Larter’s career.
The actress has been appearing as Angela on Landman, while also marking major moments in her personal life. Earlier in 2026, she spoke publicly about turning 50 and described herself as grateful for her career and family.
Her appearance with Vivienne therefore offered fans a different look at the actress: one focused less on a role or premiere and more on a family moment.
A Rare Public Appearance for the Mother-Daughter Pair
Celebrity children do not always appear publicly with their parents, making appearances such as this one notable to entertainment fans.
For Ali Larter and Vivienne, the Step Up event provided an opportunity to attend the same red carpet while enjoying a mother-daughter outing. Their coordinated dark looks and visible resemblance made the pair one of the memorable family moments from the event.