Serendipity III teams up with fashion designer to raise money for NYC homeless

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One local sweet shop has teamed up with a high-end fashion designer. And it’s all in an effort to help the city’s homeless population.

To help celebrate it's 60th anniversary, Serendipity III has partnered with Anna Sui to create this Art Nouveau T-shirt.

It's called the Celebri-Tee. The special shirt got signatures from some of the dessert spot's most famous patrons.

Related: It's a "G" thing: Serendipity celebrates 60 years of satisfying NYC's sweet tooth

Celebrities like Drew Barrymore, Kelly Preston, Ben Stiller and many more helped.

They were able to actually sign every shirt digitally through the website, SignMyShirt.com.

But these tops are also giving back and helping the city's less fortunate.

"All the proceeds go to the Bowery Mission, which has housed and fed the city's homeless since 1879 in New York," said Joe Calderone, spokesperson and creative chef. "So it's just so much fun for Serendipity to partner with SignMyShirt.com and the Bowery Mission and really celebrate the anniversary in this very unique way."

The Celebri-Tee costs $49.95 and goes on sale this weekend exclusively at SignMyShirt.com