Brooke Mueller was born in Palm Beach, Florida. She became a cheerleader at the Benjamin School, where tuition for high-school students is $23,000 a year. Her father was Lutheran and her mother Jewish. Two years after her father's death, her mother married a billionaire. She is the stepdaughter of actor Jon Fiore. Her half-sister is Sydney Wolofsky.
Mueller has tried acting, real estate, and even had a stint as a special correspondent on Extra. Mueller's best known role was as Janet in the 1999 film Witchouse. She also played Cassandra in the 2008 comedy film Strictly Sexual (credited as Brooke Allen). In 2011 Mueller co-starred in the Paris Hilton reality show The World According to Paris.