S.F.
Try to remind yourself that it's just a phase. There will come a time when daily parenting affords you the time and money to pamper yourself again. In the meantime, try to find some easy things you can do for yourself at home or cheaply. For example...
1) my husband and I exercise together by taking walks, once in the morning and once in the evening.
2) on a lark, I asked my husband to color my hair, rather than going to a stylist (I color just to hide the grey). He took my request very seriously, researched how to do this, bought the tools and did an amazing job. Now, my color is a $10 box and 1 hour of my husband pampering me.
3) take a bubble bath and read a favorite book or magazine. My husband would always use my bath time as a extra-special father/son time...usually watching tv I wouldn't allow, so everyone feels they got a treat!
4) Wear a flower in your hair when you pull it back.
5) Dress in something other than sweats! If your feet need to be comfy with your pregnancy, wear something kicky and fun with your tennis shoes. Any style you wear with confidence will look good.
Hang in there! This too shall pass...