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 ...

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

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

The 44-year-old star was joined by 10-year-old daughter Briar Rose as they adorably sung classic Take Me Out To The Ballgame at a Chicago Cubs home game on Friday.

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

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

While co-parenting is a journey, it's one several famous exes—including Gwyneth Paltrow and Chris Martin, Irina Shayk and ...