Imagine winning a Disney Diamond or a Cinderella glass slipper, or enjoying a private excursion and dinner in Disneyland Park or Disney California Adventure Park. Those are a few of the exciting prizes that will be awarded to some lucky guests during the Disneyland Diamond Days sweepstakes, part of the Disneyland Resort Diamond Celebration that begins May 22, 2015. Celebrating the 60th anniversary, Disneyland Diamond Days is an exciting sweepstakes in which daily prizes are awarded to some Disneyland Resort…