Newlyweds: Nick & Jessica Ex-'Newlyweds' star Jessica Simpson celebrates birthday and divorce 07/12/2006 Jessica Simpson recently celebrated her 26th birthday -- and finalized divorce -- with close friends and family in Cabo San Lucas, Mexico. Read More RELATED NEWS Nick Lachey recalls his date with Kim Kardashian: 'We had a great time'Ashlee and Jessica Simpson's father Joe Simpson diagnosed with prostate cancerNick Lachey says he hasn't spoken to Jessica Simpson in six years TAGS: Jessica Simpson Vanessa Minnillo Nick Lachey Newlyweds