Courteney Cox Arquette knows the No. 1 trick to standing out in a crowd. At the 2007 Golden Globe Awards Cox Arquette took center stage with a head full of gorgeous, überglistening hair. Take her cue—remember there’s a fine line between glossy and greasy, so take your locks from lifeless to lustrous the right way. Nelson Chan, stylist to the stars (Alicia Silverstone and Sarah Michelle Gellar), shares his secret steps for giving your hair a healthy sheen. —India-Jewel Jackson