Who: Isla Fisher
Where: "The Great Gatsby" world premiere

Isla Fisher adds drama to her wavy locks with plenty of volume, swept over one shoulder.

Get her look: Starting with slightly damp hair, make a side part and blow-dry with a round brush. To boost volume, wrap sections around Velcro rollers, directing heat to each roller with the nozzle. After hair has cooled, remove rollers and gently run fingers through waves. Tease at the crown to add height and sweep hair to one side.

Who: Kristen Stewart
Where: Nickelodeon's 26th Annual Kids' Choice Awards

Kristen Stewart rocks an undone fishtail braid created by Fekkai stylist Adir Abergel.

Get her look: Apply a wave-activating spray to slightly damp hair then rough-dry with a diffuser. Sweep hair back from face and make a fishtail braid, starting at the crown down the middle of the head. Secure with a clear elastic and pull out random strands for a messy finish.

Who: Jennifer Lawrence
Where: 38th Annual Los Angeles Film Critics Association Awards

Best Actress Jennifer Lawrence works a playful and effortless updo with braided headband.

Get her look: Make two braids (one on each side of the nape) and secure each with a clear elastic. Bring each braid over to the top of the head and bobby-pin in place.

Who: Keira Knightley
Where: "Anna Karenina" Los Angeles Premiere

Keira Knightley keeps her retro rolled updo slightly messy for an effortless, elegant look.

Get her look: Apply styling mousse then blow-dry hair to one side. Starting from one side of your head, twist hair up into a 'roll' shape. Continue adding more hair to the roll as you work your way toward the back of your head, then tuck in the ends and bobby-pin in place. Repeat on the other side. Spritz hairspray all over for hold.

Who: Ashley Greene
Where: "Twilight Saga: Breaking Dawn Part 2" LA Premiere

Ashley Greene sweeps her wavy locks back into a romantic half-up by twisting and pinning the sides of her hair for a Grecian-inspired look.

Get her look: Part hair in the center. Curl hair sections with a 1-inch barrel curling iron. Gently run fingers through curls to soften into waves. Take a small section of hair from each side of the part, twist, then secure both at the back of the head with a hair barrette.