People News Rachel Bilson: Co-parenting with Hayden Christensen is a "work in progress" 06/29/2018 Rachel Bilson says co-parenting with ex-partner Hayden Christensen is still a "work in progress." Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Rachel Bilson Hayden Christensen Hart of Dixie The O.C. Take Two Anger