Today's celebrity pictures include a scruffy Robert Pattinson
celebrating his 26th birthday at Claridge's with best friend Tom Sturridge, a pregnant Sienna Miller, Hollywood star Hugh Jackman, and Rita Ora toasting her number one solo debut at Whisky Mist with rumoured beau Rob Kardashian.
Also in London, an unkempt Tom Hardy and girlfriend Charlotte Riley attend the BAFTA Craft Awards, and Little Mix's Perrie Edwards leaves The Rose nightclub.
In Los Angeles, Justin Bieber attends 102.7 KIIS FM's Wango Tango, and in New York Rihanna is escorted around by her entourage.
Twilight star Robert Pattinson celebrates his 26th birthday at Claridges, London.
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