I travel the world visiting global health programs as an ambassador for the global health organization, PSI, and sometimes the disconnect I see is truly striking: people can get cold Coca Cola, but far too infrequently malaria drugs; most own mobile phones, but don't have equal access to pre-natal care.

I think communication is key, too. You're answering all the questions. Thank you. I'll just sit back here.

A smile is so sexy, yet so warm. When someone genuinely smiles at you, it's the greatest feeling in the world.

Robin [Williams], he's pretty dynamic. I had a lot of fun but I also felt like there was no onus on me to be funny.

I believe we all share a responsibility to build a healthier, more just and prosperous world.

Being honest...[to reporters] Not the worst thing in the world. Don't write that down.

Growing up in the public spotlight and having insecurities like every other girl, I really know what it's like to feel self-conscious.