Matt Damon, Katy Perry, Daniel Craig: Celebrity pictures December 15

Today's celebrity pictures present Katy Perry launching her new perfume Meow on The Grove in LA and a conservatively-dressed Lindsay Lohan leaving the Los Angeles County Court after being commended by the judge for completing her community service at a progress report hearing.

Meanwhile, Matt Damon brings festive cheer to The Today Show in New York, and Daniel Craig and Rooney Mara attend the NYC premiere of The Girl with the Dragon Tattoo.

TOWIE star Joey Essex touches down in Las Vegas dressed in a festive onesie and Zac Efron attends a press conference for New Year's Eve in Tokyo.

Back in London, a rugged Tom Hardy and glamorous Melissa George attend the English National Ballet Christmas Party at the St Martin's Lane hotel, winning X Factor mentor Tulisa Contostavlos clutches a goody bag as she leaves the Roof Gardens club and Strictly Come Dancing finalist Harry Judd arrives at the Radio 1 studios.