I LOVE how close Brooke and Julian are with Haley and Nathan!! As soon as they know what happened, despite Brooke having her own problems and Julian worrying about helping her, Brooke immediately goes to the hospital to stay with Haley and Julian immediately goes to get Jamie so they know he's okay.
Brooke and Haley were close since season 2/3, even when Lucas and Peyton were there, Haley asks Brooke to be the godmother of Jamie in the 4th season. They were always be so close it’s not just because Lucas and Peyton gone