The O.C. star Rachel Bilson shared some highlights from her summer, including a stunning photo of her in a tiny bikini ...

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

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

Rachel Bilson's look-alike daughter, Briar Rose, sings 'Take Me Out to the Ballgame' with dad Hayden Christensen at the ...

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

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.

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 ...

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