Hayden and his 10-year-old daughter, whom he shares with ex Rachel Bilson, sang the 7th-inning stretch song song while decked ...

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

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

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