Vanessa Minnillo

Jessica Simpson may run a billion dollar fashion business but she is the first to admit there were times when she wasn’t savvy with money. Simpson revealed her biggest financial mistake was her first marriage to 98 Degrees boyband member Nick Lachey.

Jessica Simpson at Teen Vogue's 10th Annual Fashion University in New York, March 2015.

Read More: Jessica Simpson Explains Why She Is "Done" Having Children With Husband Eric Johnson.

Continue reading: Jessica Simpson Claims Her Marriage To Nick Lachey Was Her “Biggest Money Mistake”

It hasn't even been a year since their first child was born, but according to Vanessa Lachey, she and Nick are already thinking about adding to their family, with the model and television presenter telling US Weekly earlier this week that she and husband Nick Lachey are more than ready to start trying for a brother or sister for 9-month-old son Camden.

"Of course! Yes, God-willing, it will be at the right time," the host of Wipeout told the magazine on Wednesday (June 19). "Right now we're happy with where we're at. We're happy with having him. But in the future, we'd love to add to our family."

But rather than get too caught up in having another baby Vanessa added that she is still as smitten with her first born as ever, as she went on to discuss how much she is enjoying watching her son grow up. She explained how Cameron already has started growing teeth and is crawling around the family home and how, with him being a boy and everything, Cameron is also prone to making his fair share of mess around the house too.

Continue reading: Vanessa Lachey Says She And Nick Are Already Thinking About Another Baby