Understatement was the order of the day on many red carpets this year. In keeping with this ethos, Mamma Mia ! star Amanda Seyfried, clad in an asymmetrical Alexander McQueen dress, shone not with an opulent display of jewelry, but with a magnificent “Joaillerie 101 Feuille” watch by Jaeger-LeCoultre, made of white gold with 167 diamonds (totalling 10.3 carats) and housing the smallest mechanical movement in the world.