Meanwhile, Billie Piper and a tanned Pixie Lott arrive at the BBC Broadcasting House and Radio Theatre for Chris Moyles's final Breakfast Show, and Justin Bieber leaves the BBC Studios in Maida Vale.
In Dublin, Mischa Barton flashes a diamond ring on her engagement finger as she attends an after-party for the official opening night of Steel Magnolias at Harry's Bar.
Across the pond, Kim Kardashian wears a huge white Marchesa creation while Kanye West opts for double denim at the Marchesa spring/summer 2013 collection at New York Fashion Week.
Also in New York, Sarah Silverman dresses her dog Duck in slippers as they go for a walk in Manhattan, and in LA Mad Men's Christina Hendricks attends the opening night of The Book of Mormon at Pantages theatre.
And in Singapore, the Duchess of Cambridge wears a bespoke Jenny Packham dress during a sombre visit to the Kranji War Memorial as part of the royal couple's nine-day tour of the Far East and South Pacific.