Celebrity Pictures: Kim Kardashian, Aiden Grimshaw, Zac Efron

Today's celebrity pictures see Pink performing her 'Truth About Love' tour in Germany, Alex Jones at London Fashion Week and Portia de Rossi and Ellen DeGeneres out and about in Los Angeles.

In the capital, Aiden Grimshaw and Matt Cardle visited the Rose nightclub. The former X Factor contestants, who were both mentored by Dannii Minogue in 2010, looked in high spirits as they stepped outside for a cigarette.

In the world of celebrity fashion, Kim, Kourtney and Khloe Kardashian gathered to celebrate the one-year anniversary of their clothes line Kardashian Kollection, while Take That star Robbie Williams launched his own menswear label Farrell in collaboration with designer Ben Dickens.

The Only Way Is Essex siblings Sam and Billie Faiers also branched out as they attended the opening of their pop-up store Minnies Boutique at Metquarter, Manchester.

In Toronto, Zac Efron walked the red carpet for the premiere of The Paperboy, while Adam Brody attended the Oranges screening in New York.

See all these pictures in our gallery below:

Copyright: WENN