By Lisa Flueckiger and Chesney Hearst, Contributing Reporters

RIO DE JANEIRO, BRAZIL - American superstars from the Red Hot Chili Peppers and the Yeah Yeah Yeahs descended upon Rio de Janeiro for the Circuito Banco do Brasil Festival this weekend. Over 40,000 people made their way to Barra da Tijuca's massive Parque dos Atletas, where Subscribe to our Premium Membership Plan. Already Subscribed? Login Here