Photographed outside the Chart House Restaurant in Malibu, Calif., on April 12, where sources tell OK! that Ashlee Simpson did her best to power through a bout of morning sickness, the 23-year-old appears to already be showing the first signs of a baby bump! And with insiders saying that the first Wentz-Simpson offspring is due in October, that would mean the singer is nearing the end of her first trimester.