Happy birthdayDream Renée!

On Sunday, her actual birthday, Rob posted a slideshow of photos that showed his daughter taking acelebratory helicopter ride.

In the images, Dream, who’s dressed in a casual set of matching grey sweats, stands in front of the helicopter while holding a cupcake covered in sprinkles, while another shot shows the birthday girl smiling while putting on a protective pair of headphones inside.

“Happy Birthday Dream 💙💙,” he captioned the adorable post.

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“Dream is very special to Rob’s family. She is the sweetest girl and everyone loves her. Of course, they wanted her to have a special birthday party with all of her cousins,” a source tells PEOPLE.

Dream Kardashian.Rob Kardashian/Instagram

Dream Kardashian

Opening up about Rob’s relationship with Dream’s mother,Blac Chyna, the source adds that things between the pair “have calmed down.”

“Rob is a good dad. He is very protective of Dream. Things with him and Chyna have calmed down. They are able to co-parent better now. Both of them seem to just focus on what’s best for Dream,” the source says.

Chyna had a separate party for Dream on Saturday, an insider previously told PEOPLE.

Kim Kardashian/Instagram

Kim and Dream Kardashian

Dream Kardashian and Psalm West.Kim Kardashian/Instagram

Kim and Dream Kardashian

Kim and Dream Kardashian

Rob’s sisterKim KardashianWest was the first to share photos from theintimate celebration.

Highlighting how much affection Dream has for her younger cousins, Kardashian West, 39, also shared photos of the youngster spending time with her son Psalm as well as Khloé’s daughter True.

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Dream’s birthday party also included a nod to one of herfavorite movies.

Showing off just a bit of the party’s tasty treats, Kardashian West also included a photo of Dream’s birthday cake, a colorful confection that appeared to be shaped like the sameTrollscharacter that Dreamdressed up as for Halloweenthis year.

Dream’s birthday cake.Kim Kardashian/Instagram

Kim and Dream Kardashian

Despite their differences in the past, over the summer, Chyna shared that she and Robhave “no animosity”over co-parenting their daughter.

“Co-parenting is good,” Chyna, 31, toldRuPaulduring a June appearance on the star’s self-titled daytime television talk show.

source: people.com