Get the email address from the Billing Object in Magento (Checkout)

Question

I am trying to get the email address that the user enters on the onepage checkout - I have tried the following but I cannot see the email address anywhere within either object - any ideas?

Mage::getSingleton('checkout/session')->getQuote()->getShippingAddress()->getData();

Mage::getSingleton('checkout/session')->getQuote()->getBillingAddress()->getData();

Answer 1

try the below

Mage::getSingleton('checkout/session')->getQuote()->getBillingAddress()->getEmail();

Answer 2

Try

$quote = Mage::getSingleton('checkout/session')->getQuote();
echo $quote->getCustomerEmail()