United Kingdom, Aug. 21 -- Jessica Simpson is set to star in a new tell-all documentary about her life and career.

The 46-year-old pop singer previously starred in Newlyweds: Nick and Jessica, the hit reality TV series, alongside her then-husband Nick Lachey, and she's now preparing to let the cameras back into her life.

A post on Tudum explains: "It's been over 20 years since Jessica Simpson invited cameras into her life with the reality show Newlyweds: Nick and Jessica.

"In the years since, she's sold more than 20 million records worldwide, launched one of the most successful celebrity licensing brands in history, and written a bestselling memoir, Open Book. After a 15-year hiatus from original music, Jessica returned to recording an...