Ava Sambora appeared in the label White Trash Beautiful's show, which kicked off the Los Angeles Fashion Week.
Locklear smiled from the front row, while taking photos of her 12-year-old daughter on her iPhone as she strutted down the runway.
Speaking to People, the actress said: "I’m very, very proud of her. I’m very excited, and I’m here to support her.
"And the minute she’s done I’m going to grab her and wipe off her makeup and get her into her pjs."