America's Next Top Model All-Star Isis King just broke through another boundary.

For the first time, clothing company American Apparel is featuring a transgender model — Isis! — in a national ad campaign. American Apparel has teamed with GLAAD on a new line of equality t-shirts that will appear across the country, just in time for LGBT Pride Month. Isis is being joined in the ad campaign by GLAAD staff members, among others.

You can check out some of the t-shirts on GLAAD's site — Isis models a black-and-white "Gay O.K." shirt and a pink tank top reading "Legalize Gay!" Fifteen percent of the proceeds will benefit GLAAD.

"American Apparel is showing bold leadership by being among just a few companies to include transgender people in its national ads,” said GLAAD President Herndon Graddick. “Additionally, the company's statement that 'Gay is OK' will reach millions and send an important message in support of equality.”

Head to AA's site to buy a shirt online. Congrats to Isis — and everyone involved in the campaign.

Catch the premiere of America's Next Top Model Cycle 19: College Edition on Friday, August 24 at 8 p.m. ET/PT on The CW.

Source: GLAAD, American Apparel

Gina Carbone is a contributing writer at Wetpaint Entertainment. Follow her on Twitter @ginacarbone.

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