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

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.

From Coldplay's "Fix You" to Imogen Heap's "Hide and Seek," we can't listen to these songs without thinking about Adam ...