Today's celebrity pictures include former S Club stars Jon Lee and Tina Barrett supporting Hannah Spearritt as she performs in One Man, Two Guvnors at the Haymarket Theatre, London, and a chilly Sam Faiers in a bikini to promote her new swimwear line at Northcliffe House.
Across the pond, Beyoncé and baby Blue Ivy wear similar shoes in New York, Rihanna covers up her roots as she greets fans outside her hotel, and a summery Nicole Richie attends the premiere party of NBC's new reality TV show Fashion Star.
Meanwhile, January Jones, Jon Hamm and John Slattery arrive at a Mad Men event as part of PaleyFest 2012, Jonah Hill and Channing Tatum go to their 21 Jump Street premiere, and Taylor Momsen and Avril Lavigne attend the latter's Abbey Dawn clothing launch.
Celebrity pictures: January Jones, Rihanna, Jon Hamm, S Club
Published Wednesday, Mar 14 2012, 12:38 GMT | By Naomi Gordon | 4 comments

Former S Club 7 stars Jon Lee and Tina Barrett support Hannah Spearritt in the play One Man, Two Guvnors at the Haymarket hotel, London.
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Copyright: Rex Features Dan Wooller/Rex Features
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