The Pope has made one of his last public appearances - appearing at his study window to bless his followers.
Thousands of people gathered in Saint Peter's Square in Vatican City to see him.
The Pope announced he was stepping down earlier this month after eight years in charge.
Pope Benedict will carry on living in the Vatican City after he steps down and plans to devote the rest of his life to study and prayer.
The Vatican say his successor could be chosen before Easter.
You can find out more about the leader of the Catholic Church in Newsround's guide to the Pope