It's her nose.
"Rosie Huntington-Whiteley is an English model best known for her work for Victoria's Secret and for replacing Megan Fox in the upcoming Transformers 3." -- Wikipedia
Rosie Huntington-Whiteley from esquireuk on Vimeo.
Rosie Huntington Whiteley - Dont Forget Valentines Day 2009 - Agent Provacature
Via Atomic-Element