Today's Celebrity Pictures: Amelia Lily, Samia & Sylvain, Jennifer Lawrence
In London, Amelia Lily dons pink hair and spectacles as she attends a geek-themed party at Mahiki, Mark Wright leaves the May Fair hotel with friends and heads to Aura nightclub to celebrate his 26th birthday, and Rizzle Kicks perform a one-off set as part of BT's Infinity series of music events.
Also in the capital, Damian Lewis touches down at Heathrow airport following his Golden Globe win in Los Angeles over the weekend, and Michelle Ryan leaves the Savoy Theatre after performing in the stage musical Cabaret.
Meanwhile in New York, a chilly-looking Colin Farrell films on the set of Winter's Tale in Central Park, brightly coloured Kardashian sisters Kim and Kourtney arrive for their appearance on The Today Show, and Jennifer Lawrence heads to her slot on The Late Show with David Letterman.
And in LA, a tanned Ashley Tisdale attends the Genlux Magazine Cover launch.