Zac Efronis revealing who stole his heart this Valentine’s Day.

TheGreatest Showmanactor, 35, shared an adorable image ofhis 3-year-old sister Oliviaon Instagram Tuesday captioned “My Valentine.”

In the cute photo, ashirtless Efronis seen reading a children’s book on a couch while Olivia cozies up to him and hugs a stuffed animal.

A second photo showed the California native lovingly kissing the top of Olivia’s head as she rests her head on his chest with closed eyes.

Zac Efron and his little sister Olivia.Zac Efron/Instagram

Zac Efron Reveals His Valentine: Baby Sister Olivia

TheBaywatchactor also previously posted about his sister in 2021, sharing a photo of him holding her close with the caption: “My sister Olivia, little heartbreaker.”

TheHigh School Musicalalum recently admitted that he felt underprepared to play a dad in his 2022 horror filmFirestarter.

“You know what? I think that was a healthy dose to put me off of it for as long as necessary,” he toldEllen DeGeneres in Mayof his role as a “full-on” father in the 2022 adaptation of Stephen King’s book. “I have a bit more growing to do, probably. I don’t know. Yeah, I don’t know what to say now.”

Though he added in tribute to his mom, Starla Baskett: “I have a healthy respect for parents, very grateful for them all. I love you so much mom.”

In November, Efron was seen on the New Orleans set of his upcoming wrestling movieThe Iron Claw, wearing wore a grey tank top, cutoff jean shorts, white Nike sneakers and white socks, complete with a muscular look and bowl cut for hisportrayal of former pro wrestler Kevin Von Erich.

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

Efron, who most recently appeared in the movieThe Greatest Beer Run Ever, was previously spotted wearing the exact same costumeon set earlier that monthwith costarLily James.

RELATED VIDEO: Watch Zac Efron Accidentally Go to War in The Greatest Beer Run Ever Trailer

A24’s official logline forThe Iron Clawstates that the Sean Durkin-directed movie tracks the “rise and fall of the Von Erich family, a dynasty of wrestlers who made a huge impact on the sport from the 1960s to the present day.”

That dynasty started with pro wrestler Fritz Von Erich — real name Jack Adkisson — who began wrestling professionally in the 1950s and later became an influential promoter for World Class Championship Wrestling, reportedThe Daily Mail.

source: people.com