Rachel Bilson and Hayden Christensen's daughter Briar Rose shows her love for Olivia Rodrigo at Hyde Park concert in rare photo shared by Bilson.

Houston's biggest pop-culture convention, Comicpalooza, returns June 20–22 with celebrity guests including Hayden Christensen, Cheech & Chong and more.

The preteen, whom Bilson shares with ex Hayden Christensen, sported a black tee and purple ribbon in her braided hair as she listened to the singer perform onstage.

Rachel Bilson and Hayden Christensen’s daughter Briar Rose is entering her pop-rock era, and we’re seriously loving how excited she is to see one of her favs perform live! On June 27, Bilson ...