Jessica Simpson

Season's greetings and yuletide cheer aren't the only things that spread during the year-end holidays. It's also the season for celebrity break-ups. Jessica Simpson and Nick Lachey. Christina Applegate and Johnathon Schaech. Britney's hanging on to her marriage by a thread. Valerie Bertinelli just…

TMZ has learned that Jessica Simpson hired celebrity powerhouse divorce lawyers Robert Kaufman and Lance Spiegel. We're told they were retained specifically to end her marriage to Nick Lachey.As for Nick, TMZ has confirmed that he hired uber-celebrity lawyer Laura Wasser. We're also told that Nick…