I love these jeans and they are not only extremely comfortable and yes truly slimming, but they can be dressed up or down depending on the occasion.  The only problem I had was I normally wear a size 6 in jeans (up from a size 4 in dress pants) but when the first pair arrived they were far too small. I had to return them and buy a size 8.  So buyer beware, but otherwise these are a wonderful pair of jeans.