Also in the capital, Amanda Holden arrives for Britain's Got Talent auditions in a neon melon stretch dress along with Alesha Dixon in a patterned jumpsuit, and BGT winners Ashleigh Butler and Pudsey rehearse ahead of the National TV Awards 2013 tonight (January 23).
Meanwhile, Arnold Schwarzenegger tucks into some ice cream at The Last Stand's premiere in Leicester Square.
In France, Kim Kardashian sits on the front row of the Stephane Rolland Haute Couture Spring/Summer 2013 show at Paris Fashion Week.
And in Los Angeles, Paris Hilton and boyfriend River Viiperi shop, and Viva Bianca and AnnaLynne McCord attend the Spartacus: War of the Damned premiere.
Finally, at the 2013 Sundance Film Festival, Amanda Seyfried and Juno Temple attend the Lovelace screening, and Michael Cera attends the Magic Magic premiere.