Wiz Khalifa and Amber Rose welcome first child

Los Angeles: Rapper Wiz Khalifa and Amber Rose have welcomed their first child together, a baby boy named Sebastian Taylor Thomaz.

Khalifa himself took to Twitter to share the happy news, reported Aceshowbiz.

"Happy Birthday Sebastian `The Bash` Taylor Thomaz!. Everyone welcome this perfect young man into the world," he tweeted.

Earlier the same day, Khalifa hinted that Amber was in labour as he posted on Instagram a picture of him wearing a surgical cap and a mask. "Daddy time," he wrote in a caption of the photo.

The 25-year-old and his model fiancee Rose first announced that they are expecting their first child at 2012 MTV Video Music Awards in September.

"We`re so excited," the rapper gushed at the time.

The couple once said they planned to get married a few months after their child is born.