Back of Nicole and Joel Know Where the Wild Birthdays Are Nicole Richie looked dressed for Summer as she enjoyed the LA weather while Joel flipped up the brim of his hat '90s style this weekend. On Saturday, the couple brought Harlow over to Christina Aguilera's Where the Wild Things Are birthday party for Max, who has the same name as the little boy in the book. Harlow had her own first birthday to celebrate on Jan. 11, and whatever they did to mark the occasion, she'll always have another celebrity baby born just one day apart to share a cake with. View 5 Photos › Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Flynet and Splash News Online Comments californiagirlx7 8 years They both look ridiculous. joannn 8 years So what were they actually doing? Nothing? Just sipping coffee and shopping again? And yet we need new posts everytime they go out? ilanac13 8 years you have to love that celebs are able to really have fun with each other - and it's nice that they can all celebrate birthday parties that are fun like this for their kids. i wonder if we'll see celeb baby couples in 15-20 years crazyana 8 years Max bday is on Jan11 and they celebrate it on Jan19?