Celebrity pictures: Kristen Stewart, Chris Hemsworth, Rihanna

Today's celebrity pictures include a vampish Emma Stone at the Paris premiere of The Amazing Spider-Man, and Hurts singer Theo Hutchcraft enjoys a date with Dita Von Teese at the Arts Club in London.

Across the pond in NYC, Glee's Dianna Agron and Gossip Girl's scruffy Penn Badgley attend fashion label Coach's 2nd Annual Party on the Highline, and Boardwalk Empire actress Paz de la Huerta runs errands in the city.

In Los Angeles, former Friends stars Lisa Kudrow and Matt LeBlanc go to Showtime's celebration of season two's Episodes and in Boston, Kate Winslet arrives on the set of new movie Labour Day.

And Down Under, a glamorous Kristen Stewart and suited Chris Hemsworth attend the premiere of Snow White and the Huntsman.