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OTRC: Amber Rose, Wiz Khalifa welcome 1st child, Sebastian

Wiz Khalifa posted this photo on his Instagram page on Feb. 21, 2013, just before fiancee Amber Rose gave birth to their first child. / A pregnant Amber Rose and fiance Wiz Khalifa attend the 2013 Grammy Awards on Feb. 10, 2013. (instagram.com/p/WAZ-2tndi-)

Rapper Wiz Khalifa and fiancee Amber Rose have welcomed their first child, a baby boy.

"Happy Birthday Sebastian 'The Bash' Taylor Thomaz!!!" Khalifa, 25, said on his Twitter page on Thursday, February 21. "Everyone welcome this perfect young man into the world."

UPDATE: Amber Rose has shared the first photo of her and Wiz Khalifa's son - check it out here.

This is the first child for the couple, who have been together for more than two years and announced their engagement more than a year ago, in March 2012. (Check out a photo of Rose's engagement ring.)

"Happy Birthday to our baby boy Sebastian 'The Bash' Taylor Thomaz! I'm so happy u guys," Rose Tweeted. "I fell in love all over again! :-)"

Khalifa, whose real name is Cameron Jibril Thomaz, had earlier on Thursday posted on his Instagram page a photo of himself sporting scrubs, a hair net and a medical mask with the caption: "Daddy time."

Rose, a 29-year-old model, had been rumored to have given birth earlier this week. She said on her Twitter page on Wednesday: "I got a million congratulation texts yesterday for having the baby... It was sweet but our Chicken nugget is still baking. :-)"

"My due date isn't until Feb 24th & this is my first baby so he may come early he may come late but either way he'll be here soon," she added.

Rose and Khalifa took their relationship public in late 2010, months after she and rapper Kanye West broke up. He is currently expecting his first child as well, with reality TV actress Kim Kardashian.

In September 2012, Rose and fiance Khalifa debuted her massive baby bump at the MTV Video Music Awards. On February 10, they attended the 2013 Grammy Awards together (watch a video of them on the red carpet below).

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