John Shearer/WireImage
Toss Hair to the Side
Even the most voluminous waves fall flat on transatlantic flights, and buns don't make it easy to lean back and sleep. So hairstylist Enzo Angileri suggests you try a low side pony, like the one he created for Charlize Theron. "It's beautiful," he says, "and simple enough to redo without a mirror."