To re-create the “alive” version of the woman (played by Angela Alvarado), costume designer Alexandra Welker turned to Alexander McQueen for inspiration, and hand-designed the look using Marc Jacobs cotton.

“It was better than ‘Alvin and the Chipmunks.’ ” I don’t think I can improve on that assessment — delivered by my son in the wake of a Saturday morning sneak-preview screening of “Hop” — and I certainly can’t contradict it.

They are so smart and collaborative (and of course incredibly funny), and nothing is too outrageous. I style them for all their public appearances and have toured with them, including trips to England and Canada.

If you could take just one accessory on a weekend trip to Las Vegas this fall, what would it be? We posed this question to four of the city's top stylists. After all, they're the real trendsetters, not the celebs they dress.