Rest assured that isn't a problem. The two actors work so well together it's almost seamless, even when they're attempting to ballroom dance. Lawrence and Cooper both play people struggling with mental illness in "SLP," and end up relying on one another to make it through.
Moviefone caught up with the two leads at the Toronto Film Festival, where "SLP" premiered to critical raves. They spoke with us about that easy on-screen chemistry, being crazy and whether or not they really nailed that dance lift.
Watch interview, above.