Sandals by Blue by Betsey Johnson, With these, I thee wed, Diamante bow detail, Ankle-strap fastening, Peep toe, Signature blue sole, High heel. Blue by Betsey Johnson is the iconic designers bridal footwear edit, combining fashion-forward thinking with her classic whimsical vision. The result is a collection of embellished mules and heeled sandals to take you from ceremony to dancefloor, with each pair finished with a signature blue sole.