Brad and Angelina's twins are born after the actress has a Caesarean

Angelina Jolie‘s twins have arrived – she gave birth by Caesarean section to a son and daughter yesterday evening.

‘The babies are doing well. The operation went just perfectly,’ Dr Michael Sussmann told People. ‘Angelina is in very good spirits. Brad Pitt was at her side. He was there and all was well.

‘The mother and father are very, very happy.’

Brad and Angelina have named their new son Knox Leon and their new daughter Vivienne Marcheline.

The newborns weighed in at 5lbs each.

Angelina was rushed to the Fondation Lenval hospital in Nice, France, on 1 July because shed been suffering from increasingly frequent contractions.

Ange has had three doctors looking after her, as well as two pre-term neonatologists on standby 24-7, a source told Now at the time.

Shed already dilated to 3cm, even though she was only 34 weeks gone, and doctors were extremely concerned about her delivering too early, so she was rushed into hospital by private car.

Doctors wanted to keep the twins in the womb for another week at least, to give them a fighting chance at being born healthy.

If theyd been delivered, then theyd have encountered breathing problems, jaundice and been put on a ventilator.

She was given drugs to stop the contractions and stabilise the situation.’

Angelina, 33, and Brad, 44, are now parents to 6 kids – they are also mum and dad to Maddox, 6, Pax, 4, Zahara, 3, and Shiloh, 2.

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Read more about Angelina’s stressful pregnancy in Now magazine out now!