wiz khalif 1st son

www.twitter.com/eliudpro Amber Rose and Wiz Khalifa son Sebastian 'The Bash' Taylor Thomaz

Wiz, 25, tweeted: 'Happy Birthday Sebastian "The Bash" Taylor Thomaz! Everyone welcome this perfect young man into the world.'

Amber then added her own message: 'Happy Birthday to our baby boy Sebastian "The Bash" Taylor Thomaz! I'm so happy u guys I fell in love all over again! :-)'

Stars were quick to add their congratulations. 

Rihanna, who herself turns 25 today, wrote: 'Congratulations to my fam @mistercap and @muvarosebud !!! Welcome baby Bash! You're born in an exquisite month #babypisces.'

And it seems that February 21st is an auspicious day for rapper birthdays, with Snoop Dogg also tweeting that it is also his sons.

'Welcome 2 fatherhood @mistercap!!! Congrats 2 u n @muvarosebud on ur new son - he got the same Cday as @cbroadus!!! Bless up.'

Rapper Wiz had earlier posted a picture of himself in doctor's scrubs, including a shower cap and a face mask.

Sharing the good news: The rapper announced the news via Twitter on Thursday

Happy birthday! Amber Rose told her fans 'I fell in love all over again'

Appearing to ready himself for his pregnant fiancee to give birth, he captioned the photo: 'Daddy time.'

Amber hinted she was close to her due date last week when she announced that she would not be online again until after their baby's arrival, as she wanted to focus on relaxing.

Auspicious day: It is also pop star Rihanna's birthday on February 21, and she offered her congratulations to her friends

Writing on her Twitter page, she said: 'Hey Rosebuds & Rosestuds Muva won't be back on twitter until Wizbud is born I need 2 meditate & focus on our Lil boy Luv u talk soon - Muva (sic)."

She told Los Angeles radio show Big Boy's Neigbourhood earlier this month: 'I don't want no medication. We take home birthing classes to teach us how to do it, and we're gonna have our midwife, and when the baby's head comes out, he's gonna be Dr. Wiz.'

'He's gonna be the first person to touch the child. No doctors, no gloves,' added the model.

Daddy time: The rapper tweeted a picture of himself in scrubs on Thursday saying 'Daddy time'. His fiancee gave birth to a baby boy soon after