PHOTOS: Royal Baby Girl! Princess Charlotte of Cambridge's First Pics. Their ceremony will be conducted by the Archbishop of Canterbury Justin Welby, who also baptized Prince George in October 2013.

Charlotte, the fourth in line to the throne, is likely to make a rare appearance for the cameras. It's only the second glimpse of the princess in public since she was born May 2.

Princess Charlotte and Prince Louis could be seen getting ready to step out for the coronation in new video shared on the Prince and Princess of Wales' YouTube channel.

Princess Charlotte of Cambridge's First Pics Their ceremony will be conducted by the Archbishop of Canterbury Justin Welby, who also baptized Prince George in October 2013.