I couldn't be bothered messing about with elastic either so I just used ribbon in the waistband for a tie, I used a nice wide one so that I could have a big bow (I
The best part... that fabric GLOWS IN THE DARK IN ACTUAL LIFE! It's from David And Goliath but I bought it The Fabric Fairy (check the links page). And yes, those are my Elvis sheets that I sleep in when I wear them!
I must have used the wrong stitch though because after a couple of months they are starting to come apart at the seams. Should have used a stretch stitch - the fabric is only slightly stretchy so I thought I might get away with it... no!