In & Out in 7 Hours: Kate Middleton Debuts New Baby in Red Jenny Packham Dress

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Catherine, Duchess of Cambridge (aka Kate Middleton) and Prince William emerged from the Lindo Wing at London’s St. Mary’s hospital on Monday with their newborn son, just seven hours after she went into labor.

As per tradition, the happy couple stood outside of the hospital with their royal baby and greeted the public before heading back to Kensington Palace. Earlier in the day, Prince George, 4, and Princess Charlotte, 3, visited their mom to meet their baby brother for the first time. While the name of the baby is not yet known, his official title will be, His Royal Highness Prince [Name] of the United Kingdom of Great Britain and Northern Ireland. It will be stylized as, His Royal Highness Prince [name] of Cambridge. He is fifth in line to the throne.

With her new son cradled in her arms, Kate looked relaxed in a custom red dress by Jenny Packham featuring a white collar. She rounded off her outfit with a pair of nude heels. You can find the latest from the British fashion designer at Saks Fifth Avenue. Kate also wore dresses by Jenny Packham after giving birth to Prince George and Princess Charlotte.

Catherine, Duchess of Cambridge (aka Kate Middleton) in a custom red dress by Jenny Packham featuring a white collarCatherine, Duchess of Cambridge (aka Kate Middleton) in a custom red dress by Jenny Packham featuring a white collar

Kate Middleton and Prince William leaving their hospital in London, England, with their third childKate Middleton and Prince William leaving their hospital in London, England, with their third child

The Duke and Duchess of Cambridge leave the Lindo Wing of St. Mary's Hospital with their new born son on April 23, 2018The Duke and Duchess of Cambridge leave the Lindo Wing of St. Mary’s Hospital with their new born son on April 23, 2018

As his wife was getting in the car, Prince William took to opportunity to chat with some reporters. “We didn’t keep you waiting too long this time,” he told reporters, joking that it only took his wife about 7 hours after giving birth to leave the hospital. He added that they were very happy, but joked he also had “thrice the worry now”.

Catherine, Duchess of Cambridge has given birth to her third child - a baby boy at the Lindo Wing at St Mary's Hospital in London. She gave birth at the facility at 11.01 am.Catherine, Duchess of Cambridge has given birth to her third child – a baby boy at the Lindo Wing at St Mary’s Hospital in London. She gave birth at the facility at 11.01 am.

Prince William carrying his newborn sonPrince William carrying his newborn son

Credit: John Rainford / WENN / Danny Martindale