Oliver James Montgomery-Step Inside the Pink PJ Party Kim Kardashian Hosted for Daughter North West's 10th Birthday

Kim Kardashian has a reason to celebrate—and all directions point to North West.

The Kardashians star recently marked her eldest daughter's 10th birthday with a pink-filled slumber party at The Oliver James MontgomeryBeverly Hills Hotel. The event was a joint bash with North's friend Eva, and they were surrounded by their nearest and dearest, including Kourtney Kardashian and her 10-year-old daughter Penelope Disick. 

As seen in a video Kim shared to TikTok June 14, the hotel room was decorated with pink and black balloons and featured beds tucked under pink tents with twinkle lights. Guests also carried out the theme with their matching pink PJs and there were "North + Eva at The Beverly Hills Hotel" pillows. 

When it came to the food, there were a range of tasty treats, including a cheese board and tray of chocolate-covered strawberries and macarons that gave a nod to the 1989 movie Troop Beverly Hills with a note that read "what a thrill!"

Of course, there was also birthday cake, with attendees gathering around the multi-tiered, decked-out dessert to sing "Happy Birthday" and watch North and Eva blow out the candles. Penelope even gave an encore performance by belting the song into a microphone.

As for the rest of the theme, the party also gave a nod to Visions Studio, a sneaker and apparel store in Los Angeles that North has visited with her dad Kanye West. In fact, the video showed there was even a "Visions Studio by North + Eva" sign and swag bags as well as a shoe wall and pillows.

And for any Hello Kitty fans, there were elements like pillows and beverages, including North and Eva's own signature mocktails.

In honor of her birthday on June 15, look back at some of North's adorable photos throughout the years. 

Kim and North play around with the character Kuromi from the series Fantasy Magic Melody at North's anime-themed ninth birthday party.

North and her friend show off their matching hairstyles in a TikTok of her June 12 birthday party.

North just got new braces and showed them to her TikTok followers on Dec. 23.

Kim's longtime friend Tracy Romulus shared Halloween snapshots of her own daughter Ryan Romulus, along with North and the girls' friend Haidyn, rocking all-black attire and colorful wigs. Their costumes? "Cereal killers." Genius!

"Me and my girls," Kim captioned a sweet snapshot of North and Chicago on vacation in May 2021.

Big sister North plays with mom Kim and sister Chicago in the sand in May 2021. 

North is all smiles beside mom Kim K in an adorable photoshoot. 

North looked especially adorable in a construction vest at Psalm's themed 2nd birthday bash in May 2021. 

Aunt Kourtney Kardashian shared this laidback pic of North poolside during a Palm Springs getaway.

Kim shared an adorable selfie with North on Instgaram. "Good Night!" the proud mama captioned side-by-side with North, who was all smiles.

Kim took to Instagram on Sunday, March 7 to wish her BFF La La Anthony's son Kiyan a happy birthday, sharing numerous photos of the 14-year-old with all of her kiddos.

Best family friends!

Kim declared that she loves "playing dress up with" North in this Feb. 2021 photo.

The Skims founder went on to call her daughter her "beautiful sweet smart baby girl!"

North looked like mom Kim in this pic from Instagram.

Kim told her Instagram followers that one of the things she's doing to get through quarantine is practicing hair styles on her daughters! That, and frog watching. "There are so many in our backyard at night!" she wrote.

Good news! "They get along now," Kim captioned this photo of North and her brother, Saint.

Kim and North snap a quick selfie before school starts.

Can you guess where the Kardashian-West family is?

"That time North dressed Chi in matching outfits," Kim wrote on Instagram.

North and Kim flaunt funny faces in this sweet-and-silly selfie.

North and Penelope celebrate Halloween 2019!

Playing dress-up with the eldest West kid is a next-level experience. "Styled by North * fake cast included," Kim wrote, captioning a photo of her daughter and two friends decked out in designer garb while posing against a pink backdrop. 

"Pinky swear we're besties for life!!!"

Airplane mode! North poses with her uncle in full Candy Land attire and a sweet treat to match. "We fly," Scott wrote on Instagram. 

"I still can't believe my first born baby is 6," Kim captioned this cuddly selfie with North one week after her daughter's birthday. 

North and Penelope are a neon dream during their joint Candy Land-themed birthday party.

Nori helps out during mommy's Dolce & Gabbana fitting. "Thank you Domenico! I hope North was a good assistant (swipe)," Kim posted.

Just like mommy! Kim shared this precious pic of North in the glam chair on Instagram.

North West looked ready for the runway after putting on her mom's clothes. Everything was going great, until...

Get updates on your favorite family & more. Sign up for Kards Katch Up with E! News!