rench fitness blogger Rebecca Burger died after a whipped cream can exploded onto her chest ... according to her family. Rebecca, who was popular on Instagram, was killed last weekend in a totally bizarre accident. Her family says the pressurized canister blew up, hit her chest and triggered a heart attack. The hit reportedly sent her into cardiac arrest, which ultimately led to her death.The family also posted a pic of a whipped cream canister with a warning about using similar products. They claim "thousands" of defective ones are still in circulation. Rebecca was 33.