Last Night's Parties: Jay Z & Beyonce Celebrate The Release Of Magna Carta Holy Grail, New Yorkers Party For The 4th Of July, And More!

John Mayer Performing Live at NBC's Today Show Summer Concert Series

Where: Rockefeller Center Who was there: Guests included John Mayer. Other details: After suffering from a serious vocal cord ailment three years ago, John Mayer appeared on his first television performance at the Today Show Plaza. [John Mayer via]