Kate Middleton is in labour. Kate and her husband, Prince William travelled by car from the Kensington Palace to the Lindo Wing at St. Mary’s Hospital.

The couple had announced that they were expecting their third baby back in 2017.

Writing on the palace’s official Twitter, Kensington Palace said the Duchess was in the early stages of labour on Monday morning.

See the tweet below:

Her Royal Highness The Duchess of Cambridge was admitted to St. Mary’s Hospital, Paddington, London earlier this morning in the early stages of labour.

The Duchess travelled by car from Kensington Palace to the Lindo Wing at St. Mary’s Hospital with The Duke of Cambridge.

— Kensington Palace (@KensingtonRoyal) April 23, 2018