Zac Efron, 35, shares an adorable photo of himself with his baby sister Olivia, 3: 'My Valentine'

dailymail.co.uk:

Sorry ladies, Zac Efron's heart is spoken for on this Valentine's Day and it has been stolen by a tiny human. The 35-year-old Baywatch actor only has eyes for his little sister Olivia, age three.

The Greatest Showman star - who made fans swoon with a sweet birthday tribute to Olivia - shared an adorable photo of his toddler sister and captioned it, 'My Valentine' In the snap, the High School Musical actor is shirtless and reading a children's book to his sister.Meanwhile, the toddler cozied up to her big brother while holding a stuffed animal.

My Valentine: Zac Efron only has eyes for his baby sister Olivia, calling her his Valentine He kept it short and sweet: The star wrote, 'My valentine' and hashtagged the dateMeanwhile, Zac's brother Dylan, 31, commented, 'No she's mine.' In December, the 17 Again actor shared birthday wishes for Olivia. 'Happy bday lil sis,' Zac captioned the snaps of his baby sister looking up at him adoringly.

In the second photo, Zac cuddles his sister into his chest while her eyes are closed and she smiles contentedly. Olivia's flower headband kept her golden curls in place as she marveled at her big brother, who was wearing a green button-down shirt.Zac's clean-cut hair was lightly styled with gel, giving him an effortless look that paired well with his rugged appearance.Olivia is the daughter of Zac's father, David Efron, and his second wife, making little Olivia Zac's half-sister. 'How is this man not married yet?!' commented one super fan of Zac.'Can you pls be the father of my children?' asked another follower.