Zac Efron appears to be spending more and more time with his family lately. Many were shocked when the actor shared a photo of his much younger sister, Olivia, on social media. In fact, nobody knew that he even had a little sibling until he introduced her on Instagram. Here is what we know so far about his secret baby sister, Olivia!

The High School Musical star has been fairly active on his social media accounts. It appears he has been focusing on his personal life and making memories with his family. In July, he stole an employee badge to bust his grandfather out of a nursing home so that the entire family could watch the Euro Cup together. But what really caught everyone’s attention was when he posted a photo of his little sister, Olivia.

Updated on February 22, 2023: Zac Efron may have played around with the idea of stepping away from Hollywood, but the star has continued to work on various projects over the last few years. Just last year, Efron starred in the films Gold, Firestarter, and The Greatest Beer Run Ever, along with working on five other titles that are in different stages of production.

The star does prioritize time with his family, however. When not on set for whatever project he is working on, he is with his siblings. As of now, the last three photos Efron has posted on Instagram all involve his siblings -- a birthday post for Olivia on December 26, a birthday post for Dylan on February 6, and a Valentine's photo of himself reading to Olivia on the couch.

RELATED: Everything We Know About Zac Efron's Brother Dylan And His Reclusive Personal Life

The Truth About Olivia Efron

Zac only has one brother, Dylan, who frequently appears on his Instagram account, but many had no idea the actor has a sister as well. On July 18, 2021, he posted an Instagram photo of himself and his baby sister Olivia. He captioned the photo, which shows the actor playing with the toddler, "My sister Olivia, little heartbreaker."

Apparently, Zac and Dylan have been spending quality time with Olivia, and based on the posts, she already adores her big siblings! Dylan commented on Zac’s post, “She’s at such a good age! I don’t want her grow up lol.” On Instagram, Zac also shared a video of their fun family weekend with a caption, “Family time. I think Olivia’s ready to model.”

zac efron
Instar

Fans were taken aback by the announcement because Zac is 35 years old, and his sister is just a toddler. One of his Instagram followers wrote, “Oh my god! Yesssss! A photo of you and Olivia! I love this so much! She’s a little cutie, just like her 2 big brothers.” Another commented, “I didn’t know he had a sister. Did their parents divorce? I swear I thought it was a niece or someone close.”

Olivia appears to be Zac’s father, David Efron's, daughter from his second marriage. And it looks like the family opted to keep her out of the spotlight until now.

RELATED: What Happened Between Nicole Kidman And Zac Efron?

zac efron baywatch interview with alexandra daddario and kelly rohrbach
via YouTube

A Look Into Zac Efron's Parents’ Divorce

Because Zac's parents Starla Baskett and David Efron are divorced, it may come as no surprise that he has a toddler sister. The couple had been married for about three decades when they gave birth to their two sons, Zac and Dylan. The divorce is shrouded in secrecy, although it was reported that they parted due to irreconcilable differences.

Could his parents’ divorce affect him in the process? With his new Netflix documentary, Zac Efron created quite a commotion. Throughout the presentation, he had the audience chatting about the various lifestyles around the world. The actor made various confessions, one of which may have hinted that he intends to change his lifestyle permanently and possibly leave Hollywood.

Zac Efron interview
Via: NBC

He said, “I’m definitely looking at my life a whole new way. I gotta get out of Hollywood, I’m done. It’s not a place conducive to living a long, happy, mentally sound life. The nature of being an actor or being in the public eye, sort of leads to isolation at times.”

RELATED: Zac Efron Couldn't Get Out Of His Ted Bundy Character When The Cameras Stopped Rolling

Where Does Zac Efron Stand On Marriage?

Fans are wondering what the popular actor would do next now that he has changed his mind. Is he straying from the path? Is he finally focusing on marriage and a family? Let's take a look at Zac's new focus and opinions on marriage.

The actor might finally be ready to settle down for good. He revealed, “I didn’t think much about settling down until recently…I’m around some great relationships and I’ve seen expert couples at work. I’m realizing that you have to find your own happiness before you can make somebody else happy.”

Zac Efron and Taylor Schilling at the European premiere of The Lucky One
via: Instar

Zac revealed some personal facts, noting that his brother has had a significant influence when it comes to dating advice. “If I’m dating someone, one of the few people I need to weigh in on the situation is my brother. We live together, and we’re different in a lot of ways, but he’s really grounded. He lived a more normal life than I did growing up, so he’s a great barometer for me.”

He added, “He’ll be like, ‘Are you sure you’re happy? Is this what you really want?’ Having my little brother around is a really great thing.” Given that he’s already past the age of 30 and with his new mindset for life, it would not be surprising if “the one” came walking into his life after splitting with his Australian girlfriend, Vanessa Valladares.