Which Ripped ABC Family Star Posed Shirtless Next to a Giant Sandcastle? (PHOTO)

Greg (aka Secret Life of the American Teenager’s Jack Pappas) went mini golfing with his brother, Zack, today, tweeting this sexy shirtless photo from their fun afternoon at Disney World’s Blizzard Beach.

If he didn’t write his location, we would have wondered why he was wearing only swim trunks in December, but it is warm down in Florida! We haven’t seen him shirtless on Secret Life lately, but that could all change in the series’ final episodes this spring ...

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