Summer Ready Abs -- Guess Who!

It looks like this summer is going to be a hot one all the way to the core ... and judging by the looks of these sexy celebs putting on a hot front we know for sure that Hollywood is going to be ab-solutely packed with ripped stars.

From reality stars, models, actors and much more ... see all the hot summer stars showing off their season-ready abs by going through our gallery! And, while you are at it, put your celeb skills to the test and see if you can guess which stud is in the shirtless shot!