The fashion/sports crossover is real, and 15-year-old tennis star Catherine Bellis is proof.

First seen on the runway for Valentino's Fall/Winter 2014 show, this pony has been gaining popularity at a steady pace. Bellis is the youngest girl to win a match at the U.S. Open since 1996, so you better believe people notice what she (and her hair) are up to.

GET THE LOOK

STEP 1: Spray Redken Pillow Proof Blow Dry Express Primer on damp hair.

STEP 2: Apply Redken Guts 10 root-targeted volume spray foam to damp hair.

STEP 3: Blowdry hair straight with a natural bristle brush.

STEP 4: Create a clean, center part.

STEP 5: Comb hair straight back to create a slight lift at the crown.

STEP 6: Gather hair into a low ponytail, covering hte ears, and secure with an elastic.

STEP 7: Place elastics every 2-3 inches down the ponytail.

STEP 8: Pull hair in between each elastic to expand the hair.

STEP 9: Finish with Redken Control Addict 28 super-strength finishing spray.

 

 

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