Former reality star Lauren Conrad has walked down the aisle with a man for the second time – but don’t panic, she was just doing her bridesmaid duties! The TV personality donned a flowy dress with a plunging V-neckline for the marriage of her friend and wedding planner Cassandra Herschenfeld over the weekend at the Ojai Valley Inn & Spa in California. Considering the her contagious smile, Conrad, 31, had no second thoughts about playing such an important role despite having give