Jessica Simpson is mature

When Nick Lachey began a very brief fling with Laguna Beach “star” Kristin Cavallari, comparisons were bound to be made between Kristin and Jessica Simpson, whom Nick is still technically married to. And even though the romance ended three weeks ago, Jessica is still upset to see her picture next to Kristens in the tabloids, measuring her against a reality TV star. Says a source:

“She was furious. She thought it was insulting and embarrassing to be lumped together with Kristin! As far as Jessica is concerned, Kristin’s a nobody, (a) 19-year-old reality-TV star who has just been using Nick for free publicity