Celebrity pictures: Emma Watson, Harry Styles, James Argent

Today's celebrity pictures include rumoured couple Kim Kardashian and Kanye West out and about in the Big Apple.

Also in New York for the 2012 Tribeca Film Festival; Harry Potter actress Emma Watson attending the Struck By Lightning premiere with Glee star Chris Colfer, James Franco at the Francophrenia (Or Don't Kill Me, I Know Where the Baby Is) screening and Olivia Wilde at the Deadfall preview.

Other stars at the annual event included Arrested Development's Will Arnett at the Mansome premiere and My Week with Marilyn's Michelle Williams attends Take this Waltz.

In London, TOWIE's Lauren Goodger parties at Aura nightclub while co-star James Argent successfully completes the London 2012 Marathon.

And in New Zealand, One Direction perform at the St James Theatre in Wellington.