Watch the full Lifetime original movie "I Do (But I Don't)," starring Denise Richards and Dean Cain. Wedding planner Lauren Crandell has a knack for arranging other couples' happily-ever-afters but flounders with her own romances. Then, the lovelorn Lauren is rescued from a blaze by hunky fireman Nick. It seems Lauren has finally found her true love, till she suspects that he's engaged and she's planning his wedding! Denise Richards and Dean Cain make the perfect pair - too cute. Based on Cara Lockwood's book.