The O.C.' actress Rachel Bilson and 'Star Wars' star Hayden Christensen welcomed a child, Briar Rose, in 2014. Here's ...

Hayden Christensen and his daughter, Briar Rose, whom he shares with ex Rachel Bilson, serenaded attendees during a Cubs game ...

Hayden Christensen and his 10-year-old daughter Briar Rose, who he shares with ex Rachel Bilson, sang an adorable duet during ...

Hayden Christensen attended a Chicago Cubs game with his daughter Briar Rose, performing 'Take Me Out to the Ballgame' during ...

We already knew that Rachel Bilson and Hayden Christensen’s daughter Briar Rose is obsessed with music, including songs from ...

In a rare public sighting of the actor with his daughter, Hayden Christensen and Briar Rose shared a sweet moment singing at ...

Hayden Christensen took his daughter, Briar Rose, out to the ballgame. The “Star Wars” actor, 44, and his 10-year-old ...

Canadian-born actor Hayden Christensen made a rare public outing with his daughter last Friday as the two enjoyed a Cubs game ...

Bilson shared a photo of Briar Rose from behind. 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 ...

The "O.C." star shared she experienced pregnancy loss before giving birth to her now 8-year-old daughter Briar Rose in 2014, who she shares with ex Hayden Christensen.