July is one of the hottest months of the year, and it's about to get even warmer with the heat from the candles off the birthday cakes of some of classic rock's top performers.

While Queen Elizabeth just celebrated her 'Diamond Jubilee,' we've got two members of the band Queen who are celebrating birthdays this month. And speaking of royalty, it doesn't get any bigger in the rock world than having members of the Beatles and the Rolling Stones celebrating their birthdays. So before the candlewax melts down to the cake below, let's run down the biggest classic rock birthdays of July.