Nicole Richie`s wedding dress dilemma

London: Fashion designer Nicole Richie, who is set to tie the knot with her fiance Joel Madden, has not yet decided which gown she will wear at her wedding.

She has not yet made up her mind which one of the two possible gowns she will wear to walk down the aisle, reports a website.

The wedding is expected to take place this weekend.

"She is deciding between two dresses - Marchesa and vintage Chanel," said a source.