EXCLUSIVE: Chris Martin, 46, and son Moses, 17, lead star parade as Coldplay singer throws 34th  birthday bash for partner Dakota Johnson - with guests including newly-single Jodie Turner-Smith, Jeremy Allen White, and Stella Banderas
Dakota Johnson had a full house for her 34th birthday party Saturday in Malibu. Her partner, Chris Martin, 46, threw a party over the weekend so their friends could help celebrate the big day.