Caitlyn Jenner Plays Tennis, Rocks Michael Costello Gown in New ‘I Am Cait’ Promos (Video)

“I Am Cait” premieres on Sunday, July 26 at 8 p.m. ET on E!

Caitlyn Jenner is showcasing her womanly side in new promotional material for her upcoming E! reality series “I Am Cait.”

A recent glam shot of the former Olympian shows Jenner posing in a soft pink gown designed by famed “Project Runway” designer Michael Costello.

She wore her hair down with minimal jewelry.

In a clip released by E! Network, the 65-year-old transgender star is seen playing tennis. At one point, she remarked, “Now I know why girls need a sports bra!”

Jenner is slated to receive the Arthur Ashe Courage Award at Wednesday’s ESPYs, her first major appearance since her big reveal in a Vanity Fair cover shoot.

“I Am Cait” debuts on Sunday, July 26 at 8 p.m. ET.

Watch the full video above.