ARTS & ENTERTAINMENT

Ben Stiller, Robert Downey Jr., and Jack Black

The boys of " Tropic Thunder" are just one entry in the annals of celebrity bromance, beginning with the pioneering friendship of Matt and Ben to the surprising link between Scientology pals Tom and Will. We take a look at the best of them: Three-way bromance What men (and women) won't do for... Frazer Harrison / Getty Images
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