The Johnson, Banderas, and Griffith clans are without questionHollywood royalty.

Stella del Carmen Banderas Griffith was born that same year and the couple would stay together until 2015.

What exactly is going on between these stunning half-siblings?

Dakota Johnson and Stella Banderas

In comparison toDakota, who was regularly in the media circuit, Stella has made less frequent appearances.

However, it’s also possible that the siblings simply keep their relationship private.

The caption read: “Happy belated birthday to both of my magical sisters.”

Dakota Johnson, Stella Banderas, Melanie Griffith and Antonio Banderas at his Hollywood Star ceremony

In fact, she only has nine posts on her feed.

In the speech to her stepdad, Dakota spoke about how much their patchworkfamilymeans to her.

“Today, for example, they wouldn’t like me because I’m wearing cowboy boots.”

Stella Banderas, Dakota Johnson, and Grace Johnson smiling

Griffith captioned the photo she shared onInstagram, “I love my daughters.”

It’s obvious Griffth is proud of her girls.

In an interview with OK!

Antonio Banderas and step-daughter Dakota at the Hollywood Film Awards in 2019

… [Stella is] smart, writes beautifully, plays the piano and is a fabulous athlete."

It would seem the pair get up to typical sister things when they’re together.

Nevertheless, any familial mention in the press or witnessed in red carpet interactions have been positive and amicable.

Melanie Griffith and daughter Stella

In 2018, Grace, Dakota, and Stella were photographed at theGucci Cruiseshow in Florence, Italy.

All three sisterswowedwith their variety of Gucci looks in the very front row.

So, dropping the name would match my regular use."

A polaroid of Stella Banderas and Dakota Johnson in Aspen, CO

Stella’s half-sister, Dakota Johnson, also does not go by the last name Griffith.

In 2022, she starred in the Netflix adaptation of Jane Austen’s “Persuasion.”

Dakota’s half-sister, on the other hand, has taken a different route.

Dakota Johnson, Stella Banderas and Grace Johnson at the Gucci Cruise Show in 2018

Stella Banderashasn’t appeared in a filmsince 1999’s “Crazy in Alabama.”

Instead, she touts herself as a “multimedia storyteller,” according to herInstagrambio.

She has also modeled, even appearing on the cover ofGlamour.

Stella Banderas wearing Dior, Paris, France

Stella’s half-sister Dakota has similarly been open about her mental health in interviews.

Dakota explained her reasoning behind joining Maude toVogue, saying, “Sexual wellness is essential to all humans.

… Maude is focused on making sexual care a part of your wellness routine.”

Dakota Johnson and Stella Banderas at the Viktor & Rolf show of Paris Fashion Week in July of 2013.

Stella, meanwhile, is the founder of Light Bound, a fragrance and home accessories brand.

The family and friends at an opening event in Burbank, CA