18 celebrities who are youngest sibling in their family

There are plenty of well-known celebrity siblings out there, but for those who are on the outside looking in, it can be hard to tell who is the youngest of their bunch. Here are 18 celebrities you might not have known were the babies of the family.

Noah Cyrus is the youngest of four.

The youngest of the Cyrus clan, 18-year-old Noah is currently following her own musical path paved by big sister Miley, dad Billy Ray, and older half-brother Trace, best known as a member of pop band Metro Station.

Julianne Hough is the youngest of two.

The 29-year-old dance extraordinaire is three years younger than her former "Dancing With the Stars" co-star and big brother, Derek.

Jake Gyllenhaal is the youngest of two.

Hollywood rivalry hasn’t hindered this superstar’s super-close bond with big sis and fellow actress, Maggie Gyllenhaal.

Jason Bateman is the youngest of two.

While older sister Justine had an early start starring in "Family Ties" in the ‘80s, Jason has been in the comedic limelight more recently as the star of "Arrested Development," as well as roles in movies like "Juno" and "Horrible Bosses."

Anwar Hadid is the youngest of five.

The 19-year-old model is best known as the younger brother of his two supermodel sisters, 23-year-old Gigi and 21-year-old Bella. 

Cara Delevingne is the youngest of three.

The 26-year-old "Paper Towns" star has two older sisters, Chloe and Poppy. Poppy is also a model and actress.

Willow Smith has two older brothers.

She's the youngest child of Jada Pinkett-Smith and Will Smith. Willow kicked off her career acting alongside her father in "I Am Legend." She's also made moves in the music industry, making the Billboard Top 100 chart with her single "Whip My Hair."

Her older brother Jaden Smith also acts and creates music. She also has an older half-brother, Willard Carroll "Trey" Smith III, who has made a few appearances on-screen. 

Hilary Duff is the youngest of two.

While the former child star was known for often berating her on-screen little brother in "Lizzie McGuire," she chased the show business alongside her sister Haylie, who is three years older.

Mark Wahlberg is the youngest of nine.

This multi-talented movie star is the youngest of nine children, perhaps most notably big brother Donnie, a founding member of boy band New Kids on the Block.

Solange Knowles is the baby of the family.

Like her older sister, Solange creates music. Musical talent must run in the family— both sisters have won Grammy awards. In 2017, Solange won a Grammy for her R&B performance of "Crane in the Sky."

Sofia Richie has an older brother and sister.

American fashion model Sofia Richie has a brother and sister. Her older sister is designer and former reality TV star of "The Simple Life," Nicole Richie.

Like Sofia, her older brother Miles Brockman Richie has also done a bit of modeling. 

Jennifer Lawrence has two older brothers.

Jennifer Lawrence, star of films like "The Hunger Games" and "Silver Linings Playbook," has two older brothers, Blaine and Ben. 

Despite confessing on "The Late Show with David Letterman" that she doesn't actually know what one of her brothers does for a living, Lawrence and her brothers are still close.

"We talk all the time. I just never ask any questions,” she told David Letterman

Zoe Saldana is the youngest.

The "Guardians of the Galaxy" star has two older sisters, Cisely and Mariel. The three sisters run a company called Cinestar together and, according to Zoe, they work together well. 

"... Now that we have respect for everybody’s point of view, everybody’s personality and everybody’s opinion, then that is when work becomes super fun and it’s not tense at all," Zoe told Family Entourage. "We just always remember to have respect for each other."

Michael B. Jordan is the youngest of three.

The "Black Panther" star has two older siblings. His older brother Khalid Jordan is a soccer player and his sister Jamila Jordan is generally behind the scenes — she has over a decade's worth of experience as a television producer.

Ariana Grande has an older brother.

The "Sweetener" singer is the baby of the family with one older half-brother, Frankie Grande.

Like Ariana, Frankie hasn't strayed far from the spotlight— he's a YouTube personality who loves to sing, act and perform. 

He's also outspoken about his support for Ariana and her fiancé, Pete Davidson. "I love Pete. It’s great, I have a new brother," he told Billboard. "Yay, more family members! We love family."

Harry Styles has one older sister.

Harry isn't just the youngest member of One Direction — he's also the youngest in his family. His sister Gemma is a few years his senior and he even has a tattoo of his sister's name in Hebrew. 

Zooey Deschanel is the youngest of two.

Before she nabbed the lead role in the hit sitcom "New Girl," Zooey’s older sister Emily was portraying the title character of forensic science comedy "Bones."

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