Hi Pammer,
I read your question, and the replies you received, and please forgive me....but they made me laugh. I'm 68 years old and have had my ileostomy since I was 15. Due to all the medication (steroids), up and down weight gains and losses, and then 3 separate abdominal surgeries, my trim teenage body became....chubby, lumpy, and bumpy, with a very well-defined "muffin top" that never went away. And the solution, given the times, was the old-fashioned "girdle". Obviously, that didn't do much for the muffin top, which was really a belly roll, even though I wasn't heavy. Gone for me were tucked-in shirts in pants and skirts. It was the end of shirtwaist dresses, thank goodness, and I was happy for the A-line and empire style. But I still looked for that smooth line and tried every lightweight "girdle" I could find, and even a "one-piece garment", but the bra didn't support the boobs, so I had to give that up. I finally settled on wearing....support panties....lighter than the proverbial "girdle". I was only in my 20's, and it was in the 1970s. I checked out Spanx when they came out, and if needed, I would have worn them. The fabric was much more flexible, and I knew that the flange on the wafer I use would protect the stoma from too much pressure. I've always worn tight-fitting bathing suits and never had a problem. I think, for each person, it's really trial and error. Best of luck to you.
Marsha