Vera Wang has nothing to worry about.

The verdict is in on the ecru-colored, chantilly-lace silk gown Heather Mills designed and wore Tuesday to wed ex-Beatle Paul McCartney — and it's definitely mixed. 

Though knockoff artist Allen B. Schwartz just unveiled his cheapo version yesterday — to sell at Saks and Bloomies for $300 by summer's end — other bridalwear designers said she has no future in their field. 

"If she's going to go in and make simple sheaths out of lace, she can do that," said Natasha Adonzio, head designer for Jim Hjelm bridal gowns. 

"But as far as talent, I didn't see it in the dress. There wasn't any talent for being innovative or fashion forward." 

In fact, Adonzio added: "It's a little too matronly. She should have worn something a little sexier with a wider, deeper neckline." 

Designer Reem Acra agreed that the dress "needed to be sexier." 

"I felt she went with the right fabric," said Acra. "But the look was a little old. 

"The neckline of the underneath layer should have been more open or curved, and the lower part [of the dress] needed to be tighter." 

What Acra did love were the sleeves, made of intricate, see-through lace. 

From the very start, Mills —who lost her left leg in a motorcycle accident — knew she wanted lace. 

The blond beauty ordered several yards of ecru-colored material (worth about $10,000) from one of the best lace companies around, Solstiss Bucol, which supplies lace to Christian Dior and Giorgio Armani. 

She also enlisted the expertise of London fashion house Avis & Brown. 

Adonzio said the dress was very "sweet, simple and very demure," but with a "retro, more antique-y look" — that is definitely not representative of Mills' now step-daughter Stella McCartney. 

Stella, who recently quit the Chloe label for Gucci, was not asked to design the bridal gown. 

In a recent interview with London's Daily Mail, Millssaid she thought Stella's designs were "tarty" and not suitable for her. 

But Mills — an avid charity campaigner — could afford some of McCartney's mojo style, according to fashion observers. 

Many panned the full-length, black, Britney Spears-inspired get-up she wore to the Oscars this year. 

And even Schwartz wasn't dazzled by her bridal frock — even though he's all set to cash in on it. 

"Although I didn't love it, it was a big wedding, and we felt we should have the dress," said Schwartz, who is notorious for knocking off Oscar gowns. 

"A lot of second-wedding customers will buy it. It's not contemporary. But more sophisticated, more missy."

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