Is It Love? You Decide!

Are Nick & Vanessa, Sienna & Hayden and other duos made for each other? Tell us! By Emily Fromm

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JOAQUIN & EVA

While filming We Own the Night in New York City, Joaquin Phoenix, 31, and Eva Mendes, 32, have been making the club scene. Still, his rep insists they're just friends – and that Mendes has a longtime boyfriend.