Christina Milian is one proud mama! The "Soundtrack" star revealed she gave birth to her first son with her boyfriend, Matt Pokora, and showed off her adorable baby boy! Posting his very first shot on social media Monday, the 38-year-old actress and singer told fans the duo named their son, Isaiah. Sharing a sweet black and white photo, it's clear that he already loves his mommy! The newborn was photographed adorably holding onto Christina Milian's finger while the two laid in the hospital bed.