Rapper Wiz Khalifa and fiancée, model Amber Rose, are parents to a baby boy named Sebastian, the Los Angeles Times reports.
Rose gave birth Thursday afternoon. The couple, together since January 2011 and engaged since March 2012, announced the pregnancy at the MTV Video Music Awards in September after weeks of speculation they were expecting.
The rapper announced news of the birth on Twitter, writing,"Happy Birthday Sebastian "The Bash" Taylor Thomaz!!! Everyone welcome this perfect young man into the world."
Khalifa (real name Cameron Thomaz) and Rose shared many pregnancy milestones with fans on Instagram and Twitter, including photos of her bare belly and two baby showers.
Rose shared the first photo of her fiancé with their baby Friday on Twitter.