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The Fit 5: Tips to Feel (and Look) Like a Star!

From Reese Witherspoon's stylish way to drink up to Joe Jonas's favorite way to shake it, get the scoop on how to look fab like the stars

ROLL WITH IT

So how do you stay in shape to battle Batman? Ask The Dark Knight star Aaron Eckhart. "I'm very happy because I just took up road biking which I'm now obsessed with," the buff actor tells PEOPLE. "I do that pretty hardcore."