Aw, it looks like we weren't the only ones who wanted to wish Adrian Grenier a happy birthday yesterday! His Entourage costars brought their newly 32-year-old buddy a cake on set yesterday for a little impromptu party between filming scenes. Vinnie Chase has his boys on the small screen that we've all grown to love (and sometimes loathe), but it's cute to see that in real life they're all glad to be back together and take a chance to celebrate with delicious sweets.

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