Casper Smart Dishes Jennifer Lopez Love at 'What to Expect' Premiere: "It Spontaneously Happened"

Last night at the What to Expect When You're Expecting premiere, Casper Smart opened up about his relationship with Jennifer Lopez!

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Casper told E! News his main squeeze, who just happens to star in the movie, is a good person. He dished, "She's a beautiful woman. She's a good person like anyone else... we're all just people."

Then he even opened up about how his romance with J.Lo started to bloom! "It was really professional for a very long time before anything even happened. It just really spontaneously happened. The chemistry was there. You can't fight it."

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And considering the movie is about having babies, when asked if Casper longs for the pitter-patter of little feet, he responded, "I see what you're doing... I'm not playing."