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... The airport runway, that is. Katie Holmes and look-a-like daughter Suri have been visiting hubby/daddy Tom Cruise in Miami while he films Rock of Ages, but they hit the skies Thursday ... in a private plane.

The private jet-setters walked the runway in Miami to board their aircraft. Katie was all smiles, but Suri didn't seem as happy. Still, we love her adorable red dress! Too cute!