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Martha Stewart is continuing to show off her sexy side as she turns 84.

The media mogul, who celebrated her birthday on Sunday, recently starred in a sultry ad campaign for Rexona Australia's new Whole Body Deodorant. In a cheeky commercial shared on the deodorant brand's Instagram page, Stewart was seen wearing a slinky blue satin négligée with a matching robe as she touted the product's features.

"Hello, Australia. I'm Martha Stewart, your favorite influencer's favorite influencer," the former "Martha Stewart Living" host said as she turned away from a window overlooking the ocean at the luxurious Crypto Castle in Sydney, Australia.

"I'm here to show you how to use Rexona's new full-body deodorant. It gives full-body odo

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