On April 23rd of this year, Prince William and his wife Kate Middleton happily welcomed their third child, Prince Louis, into this world. Several hours after his birth, Louis was presented to the public when the Duke and Duchess of Cambridge stepped out of the Lindo Wing and allowed the press to photograph the newborn as he slept.

Afterwards, Kate returned to her home at Kensington Palace with Louis to rest and recover. When Louis was just over a week old, Kate snapped some photos of him and posted them to her Instagram account. One of the best showed little Louis being held by his sister, Princess Charlotte.

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Since this impromptu photo shoot, Louis has been kept out of the public eye.

He didn’t attend his uncle Prince Harry’s wedding and he was missing-in-action at his great-grandmother Queen Elizabeth’s birthday celebration.

Predictably, royal watchers were saddened by Louis’s absence at these events, which is why they were overjoyed to learn that they will see him again on July 9th for his christening!

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However, mom Kate Middleton is making this ceremony very different from the baptism of Charlotte.

“She’s determined to not make the same mistake twice,” said BBC reporter Ashley Winslow.

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So what mistake did Kate make with Charlotte?