Credit: George Pimentel/; Steve Granitz/

Forget the dresses -- stars' eye lashes were nothing short of impressive at Sunday's 84th annual Academy Awards in Hollywood. Below, their glam teams share with Us Weekly the exact lengthening and volumizing formulas they used on these A-listers before they hit the red carpet.

Shailene Woodley wore Hourglass Film Noir Mascara in Onyx ($28, paired with Hourglass Film Noir Lash Lacquer ($28,

Sandra Bullock wore Chanel Inimitable Mascara in Noir ($30,

Sarah Hyland wore Bellapierre On The Go Trio Black Mascara ($34.99,

Michelle Williams wore Chanel Inimitable Mascara in Noir ($30,

Kristen Wiig wore Tarte Gifted Amazonian Clay Smart Mascara ($19,

Cameron Diaz wore Lancome Hypnose Doll Lashes in So Black ($26,

Natalie Portman wore DiorShow Mascara in Black on her upper lashes and Azure Blue on her lower lashes ($25 each,

Berenice Bejo wore Diorshow New Look Mascara in Black ($28.50,

Penelope Cruz wore Lancome Oscillation Power Mascara in Black ($35,

Penelope Ann Miller wore Make Up For Ever Aqua Smoky Lash in Black ($22,

Rose Byrne wore L'Oreal Voluminous Mascara ($7.95,

Tina Fey wore YSL Mascara Aquaresistant in Black Abyss ($30,