The 25 greatest moments in celebrity cleavage

Scarlet Johansson
Salma Hayek

Halle Berry

Katharine McPhee

Marisa Miller

Jennifer Aniston

Kim Kardashian

Sofia Vergara

Rihanna

Olivia Munn

Sophie Howard

Jennifer Love Hewitt

Gemma Atkinson

Elizabeth Hurley

Heather Locklear

Christina Aguilera

Anna Kournikova

Carmen Electra

Beyonce

Adriana Lima

Megan Fox

Mariah Carey

Jenny McCarthy

Jessica Simpson

Danielle Lloyd