Rihanna in a giant vagina + 22 other pics of the week.

What a week, political scandals dominated the headlines around the world. Berlusconi faces trial for paying to have sex with an underage girl, Mubarak goes into hiding and is reportedly the richest man in the world. In Australia, Shadow Immigration Minister, Scott Morrison sparked a debate about asylum seekers.

In celebrity news, Charlie Sheen offers some advice to Lindsay Lohan, Rihanna launches her first perfume, Jessica Alba is pregnant with her second bub and Brian McFadden is arrested in Sydney for a plane rage incident.

Click through the gallery for all of the week in pictures: