Happy birthday, Kourtney Kardashian! May the MILF with the best bronzed tan and beaming brunette locks have the most amazing 39th year. To celebrate Kourt’s cake day, we’re breaking down her signature sleek ponytail, courtesy of celebrity hairstylist Justine Marjan. Scroll ahead to snatch the smooth, sultry hairstyle made in part with OUAI Hair Oil.  

  1. Prep damp hair with Tresemme Repair + Protect 7 Pre-Styling Spray then blowdry with the GHD Air Hair Dryer
  2. Flat iron from roots to ends with the GHD Gold Styler
  3. Apply Fatboy Water Wax to roots and OUAI Hair Oil to ends 
  4. Spray a smoothing brush with R+Co Vicious Strong Hold Hairspray then brush through ponytail 
  5. Wrap a piece of hair around the ponytail base then spray a toothbrush with hairspray to smooth any stray hairs