Rihanna, Marcus Collins, Kristen Wiig: Celebrity pictures January 6

Today's celebrity pictures include Bridesmaids star Kristen Wiig at the second season premiere of Portlandia at the Museum of Natural History in New York and Emily Blunt at the opening night of the 2012 Palm Springs International Film Festival.

Meanwhile, Rihanna visits a tattoo parlour in Los Angeles, Twilight starlet Ashley Greene grabs a cold drink in town, Vanessa Hudgens picks up lunch and Boyz II Men are honoured on the Hollywood Walk of Fame.

Over in London, Mark Wright leaves exclusive eatery Nobu, an eccentric-looking Paloma Faith attends the Cirque Du Soliel: Totem premiere at the Royal Albert Hall, and X Factor finalist and runner-up Craig Colton and Marcus Collins look slightly inebriated as they leave nightclub Mahiki...