He thanked singer Harry Styles, who agreed to fill in as host with only a few hours' notice.
And he called it that for a good reason.
The British star returned to his show on Thursday evening and revealed he and Julia were so overwhelmed by the baby's early arrival, as she wasn't due for two more weeks, that they hadn't prepared a name. James Corden is using his popular series, Carpool Karaoke, to send out a bit of holiday cheer with a Christmas song mashup.
"I did what I always do in my life during a time of crisis", he told his audience.
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He alleged they were forced to squat in a room at the police station at the night in inhuman condition without any warm clothes. The auto of one of the priests was set on fire during this time. "They gave us a Bible and Rs 5000 in cash", he said.
"We found this butcher shop in Greenwich village, and we'd go nearly every weekend when I was about 11 or 12 years old do sleight-of-hand magic", she said.
But that detail didn't stop him from improvising at the hospital.
The couple already has a 6-year-old son and 3-year-old daughter.
"Today we welcomed a handsome baby daughter into the world". "Wow, I did not expect that 'till Christmas", Corden joked before they both burst into laughter. "Then the nurse went to the other side of the room and started filling out her form with the name Beyonce and I had to go over to her and say, 'There's only one Beyonce.' But we still don't know what to call her".