Zac Efron showed off his ripped physique as he went shirtless at the beach while spending some quality time with his family. While taking their younger sister Olivia four to the beach the 36-year-old High School Musical star and brother Dylan 32 were every inch the doting older siblings as they swung her around in the ocean. The trio appeared to be having the time of their lives as they splashed around in the water and shared their love of nature with Olivia. First day of spring Zac captioned a sweet video from their latest excursion to Instagram on Tuesday. In the footage he put him washboard abs on full display as he rocked just a pair of black swim trunks and a baseball cap. Following his mother Starla and father David's split, the the Greatest Showman actor's dad welcomed Olivia as well as another son named Henry. Zac and Dylan who are only four years apart are extremely close despite always fighting with each other when they were kids.

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