just a quick elastic question

[she-can-rock.livejournal.com]

so i am going to make this skirt
http://www.forever21.com/images/med/36700859-09.jpg
and my question is [which im prolly going to answer anyways] when you sew on the elastic underneath to make the gathered, you streatch the elastic as you are sewing it on correct?

thank you so much