Mark Salling, Samantha Ronson, Maria Shriver, Patrick Schwarzenegger, Christopher Schwarzenegger attend Jay-Z and Kanye West "Watch The Throne" concert at Staples Center in Los Angeles. The celebrities left with smiles on their faces! Must have been an amazing concert!<br /><br />Follow Hollywood.TV on Facebook @<br />http://facebook.com/HollywoodAsItHappens
