Celebrity pictures: Natalie Portman, Katy Perry, Dominic West

Today's pictures include Natalie Portman flashing her rumoured wedding ring as she goes hiking in LA with baby Aleph, an inconspicuous Lindsay Lohan returns to her hotel after Saturday Night Live rehearsals and a dark-haired Carey Mulligan films on the set of Inside Llewyn Davis in NYC.

Meanwhile in London, Samantha Morton, Taylor Kitsch and Dominic West attend their John Carter premiere at the BFI, TOWIE's Lydia Bright arrives at Look magazine's 5th anniversary bash, Kim Wilde attends The Leisure Society's opening night and model David Gandy leaves Raffles nightclub.

Also in the capital, Bruce Willis and British wife Emma Heming dine out at Craig's restaurant; and in Paris, Katy Perry turns heads at Fashion Week in a sheer dress.