PHOTOS: Beyoncé Steps Out All Over London

London's calling Beyoncé Knowles! The hot, not-single lady went to meet up with husband, rapper Jay-Z last night at Mahiki night club in London. Rihanna was also at the club for the Nokia X6 launch party and concert. Beyoncé has been in London on her world wide concert tour for her most recent album, I Am Sasha Fierce.