Initially launched in London in 2003, the US in 2005 and yesterday, in Canada, Isabella Oliver designer maternity wear provides chic maternity clothing for pregnant women who won't compromise their sense of style, and has a following from such celebrities as Minnie Driver, Gwen Stefani, Angelina Jolie and other stars. The brand is available exclusively by calling 1.866.614.9387 or on their website, isabellaoliver.com.

Click below for a peek at which Isabella Oliver items Minnie, Gwen, Angelina and other moms-to-be have been sporting, with links to pick them up yourself for up to 40 percent off through July 28th!

Minnie Driver launched the "Fashion Targets Breast Cancer" campaign in Dublin, Ireland, wearing the Isabella Oliver wrap dress ($165), also available in brown, pewter and red. The actress expects a delivery surprise in August.

While visiting her parents in June, Gwen Stefani wore Isabella Oliver's ruched tank ($70) paired with a black skirt. Gwen and her husband, Gavin Rossdale, are expecting their second child, a delivery surprise, later this summer.

Tony Hawk's wife, Lhotse Merriam Hawk, attended Muhammad Ali's Celebrity Fight Night XIV in Scottsdale, AZ, in April, sporting Isabella Oliver's Audrey dress ($275), which also comes in white. The couple was set to welcome a daughter on June 15th.

Angelina Jolie donned Isabella Oliver's ruched tank dress ($175) while out shopping for toys with children Maddox Chivan, 6 ½, Pax Thien, 4, and Zahara Marley, 3 and husband Brad Pitt in April. The couple's twins are due later this summer.

Food Network personality and Today Show correspondent Giada De Laurentiis attended the Fettuccine and Fiorentina event in Miami this February in Isabella Oliver's ruffle wrap dress ($175). Giada gave birth to her daughter, Jade Marie De Laurentiis Thompson, on March 29th; dad is husband Todd Thompson.

At The Heart Truth's Red Dress Collection Fashion Show at New York City's Fall Fashion Week in February, Angela Kinsey wore Isabella Oliver's satin bow dress ($185). The Office actress and her husband, Warren Lieberstein, welcomed a daughter, Isabel Ruby Lieberstein, on May 3rd.

Isabella Oliver is the brainchild of founders Vanessa Knox-Brien and Baukjen de Swaan Arons and is named for their first two children, Isabella and Oliver. They started the business in 2003 for pregnant women who love clothes. Since then -- with five pregnancies between them -- Vanessa and Baukjen only sell clothes they have "designed, created, worn and fallen in love with themselves."