See why Zac Efron Goes Shirtless on Valentine’s Day

[{"selector":"#anim-0d8556f3-1021-48d1-b19d-96be7ada85c8","keyframes":{"transform":["translate3d(-115.2381%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(.2, 0, .8, 1)","fill":"both"}] [{"selector":"#anim-85e64e21-c992-4d3a-974e-e4c646f3813a","keyframes":{"transform":["rotateZ(-180deg)","rotateZ(0deg)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(.2, 0, .5, 1)","fill":"forwards"}] [{"selector":"#anim-0b721324-fd1a-4ef2-be84-d2b8e01dca2a [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(7.820737881140472%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Zac Efron posted a shirtless photo while reading to his three-year-old sister, Olivia. Source: Instagram

[{"selector":"#anim-0bf0b2b5-184b-445b-93c1-f256f3427ee1","keyframes":{"transform":["translate3d(-115.2381%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(.2, 0, .8, 1)","fill":"both"}] [{"selector":"#anim-874f90eb-fdc8-46be-aef1-540e45b231e6","keyframes":{"transform":["rotateZ(-180deg)","rotateZ(0deg)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(.2, 0, .5, 1)","fill":"forwards"}] [{"selector":"#anim-5c867ed8-8955-4b07-95cb-e5dfd54667f5 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-21.17442785968604%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] In this photo Zac is reading for little sister Olivia Source: Instagram

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[{"selector":"#anim-d91a218f-db3f-45fd-8de6-6c3177f932ad","keyframes":{"transform":["translate3d(-115.2381%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(.2, 0, .8, 1)","fill":"both"}] [{"selector":"#anim-525cec24-d2fb-4039-9fcc-3217d09c42df","keyframes":{"transform":["rotateZ(-180deg)","rotateZ(0deg)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(.2, 0, .5, 1)","fill":"forwards"}] [{"selector":"#anim-edb39a53-5148-4ccd-8a2c-b733e57c7999 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(15.369450724442613%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Zac frequently posts adorable photos with his little sister, including a recent slideshow for her birthday. Source: Instagram

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Gerard Pique revealed everything about Clara Chia Romance

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