She has one of the highest-selling lines of celebrity fragrances, and Jennifer Lopez is just getting started- her scents are on pace to sell $150 million this year. And while other celebrities have followed in her footsteps, the “Waiting for Tonight” songstress says she isn’t threatened by the competition. “I am very competitive, but I don’t look at it [as a competition.] I’ve always thought that authenticity, at the end of the day, wins, and the cream always rises to the top