Russell Brand / Katy PerryIn less than four months, Katy Perry and Russell Brand have gone from dating to engaged. The courtship began in September following the MTV Music Awards, and the couple's whirlwind romance has us wondering why they're rushing to the altar. For their sake, we hope it's true love. But in Hollywood where most romances fizzle quickly, we want to make sure no hearts get broken. Experts chat with PopEater about why Hollywood stars keep rushing into marriage and the looming trouble ahead with these quickie nuptials.