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

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

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

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

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

Hayden Christensen and his 10-year-old daughter Briar Rose, who he shares with ex Rachel Bilson, sang an adorable duet during the Aug. 15 Chicago Cubs game—before they were unexpectedly interrupted.

Hayden Christensen attended a Chicago Cubs game with his daughter Briar Rose, performing 'Take Me Out to the Ballgame' during the 7th-inning stretch ...

Hayden Christensen and his 10-year-old daughter, Briar Rose, sang a duet during the 7th-inning stretch at a Cubs game On Aug. 15, the actor and Briar Rose serenaded attendees with “Take Me Out ...

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

“Hayden Christensen and Rachel Bilson welcomed their daughter Briar Rose Christensen born on October 29, 2014," Bilson’s rep told Us in a statement at the time.