• GO BACK TO BLACK photo | Lauren Conrad

Credit: Adam Bettcher/Getty

Published: Friday February 10, 2012 14:00 PM EST

2012

GO BACK TO BLACK

Not sure what to wear to a fiesta? When in doubt, opt for a little black dress. "If you're going to be the belle of the ball at a party, I think a chic LBD is the way to go," the designer says. "It's simple and elegant, but still fun." And it can be easily accessorized with layers of necklaces.