Camilla and Carole Middleton
Carole Middletona nd Camilla Parker Bowles are expected to attend Prince Louis' christening. Pictured: Carole and Camilla waves to the cheering crowds following the marriage of Prince William and Kate Middleton at Westminster Abbey on April 29, 2011 in London. Getty Images/Chris Jackson

Camilla Parker Bowles and Carole Middleton will be there at Prince Louis' christening.

According to Latifa Yedroudj, a journalist for Express, Kate Middleton's mom and the Duchess of Cornwall will be present at their grandson's baptism. Both are known for pampering their grandchildren.

Carole has been seen visiting Prince Louis at home. In fact, when the newborn turned 1 month old, she came to see him. The following day, Queen Elizabeth II visited her great-grandson at the Duke and Duchess of Cambridge's home as well.

"Carole has been invaluable to the Duchess. Kate stayed with her parents in Bucklebury last weekend and, when she returned to London, Carole came too," a source told The Sun.

Carole earlier revealed her lavish plan for the baptism. Middleton's mom's party ideas include Beatrix Potter or Teddy Bears picnic decorations to set the theme. She also wanted a time capsule box where guests can place "handwritten notes, photographs or trinkets" inside. It will be given to the baby when he turns 18 years old.

Carole also recommended that "votive candles, pretty chocolates and silver charms" as giveaways. Meanwhile, her gift ideas for the baby include an English Trousseau piggy bank from Harrods ($61), Philippa Herbert plaster cast of the baby's feet ($353), Meminio leather memory case ($166) and a Steiff teddy ($40).

On the other hand, Camilla "does her best to support her husband." According to a royal family observer, the Duchess of Cornwall "doesn't come into the equation much," but will surely be there if she's invited.

"The truth is she doesn't come into the equation much. If she's asked to be there, she'll be there, but otherwise she has her own family and does her best to support her husband," a source told Daily Mail (via Express).

After Prince George's birth in 2013, Camilla was asked how she would like to be addressed by Prince William and Middleton's son. According to her, the family hasn't decided for certain, but her grandkids call her "Gaga."

"I don't know if it's because they think I am," Camilla joked. "But it is still very sweet." Meanwhile, Prince Charles prefers to be called "grandpa" instead of "granddad."

Prince Louis' christening will be held on Monday at The Chapel Royal, St. James's Palace, London.