Jay-Z and Beyonce were together on the Fourth of July with good friend Gwyneth Paltrow, but not on US soil. Jay was performing at the Wireless Festival in Hyde Park, London Sunday, and his wife and Paltrow came out to watch. Other acts in the weekend-long festival included Pink, Lily Allen, Slash and Snoop Dogg, as well as 'Twilight' actor Robert Pattinson's sister Lizzy. Photos of all below. More on Gwyneth Paltrow