Lauren Conrad
The former Laguna Beach reality star has two massively popular fashion lines, LC Lauren Conrad and Paper Crowns.
Jessica Alba
After being frustrated with finding healthy products for her children, Jessica Alba launched The Honest Company, which offers safe, non-toxic and eco-friendly baby products.
Jessica Simpson
Her shoes are totally made for walking! The pop star launched The Jessica Simpson Collection in 2006 and has rose to celebrity mogul status through the success of her shoes, fragrance, clothing, purses and accessories!
Mary-Kate and Ashley Olsen
Aside from being hugely successful actresses, the dynamic duo also gained attention for their fashion expertise! They launched a luxury brand titled, The Row in 2006 and launched a clothing line the following year, Elizabeth James, which they named after their siblings.
Will Ferrell
You may be surprised to hear that Will Ferrell actually launched the video website, Funny or Die. He is also a producer of the HBO series, Eastbound & Down.
The Jenners
Kendall Jenner and Kylie Jenner have a popular collection with PacSun called The Kendall & Kylie collection. Plus they have their own shoe and handbag line with Steve Madden. They are also published authors and Kylie is launching a line of hair extensions! These girls are busy.
P. Diddy
Diddy launched his own music, cable network, Revolt TV, in 2013 on Comcast and Time Warner Cable.
Christina Milian
Christina has a new clothing line We Are Pop Culture! Plus in the past she has teamed up for other business ventures including Viva Diva Wines and Platinum Elite Vapor Pens which are 100% nicotine and tar free!
Bethenny Frankel
Aside from her reality stardom, Bethenny Frankel founded Skinnygirl Cocktails, which gained instant popularity. She has also written four self-help books!
The Kardashians
The Kardashians are everywhere! They have books, games, clothing lines, clothing stores, hair products, makeup, nail polish, perfumes and more!
Ryan Seacrest
Ryan Seacrest is best known for his role as the host of American Idol and for his morning radio show, On Air With Ryan Seacrest. But Seacrest has many other adventures up his sleeve. He recently launched his clothing line, Ryan Seacrest Distinction and he also has his own company, Ryan Seacrest Productions, which has resulted in shows such as Keeping Up With the Kardashians and Shahs of Sunset.
Elizabeth Hurley
The star of the upcoming E! series The Royals is not only a model and actress, she also has her own beachwear clothing line, Elizabeth Hurley Beach! Is it summer yet?!
Oprah Winfrey
Oprah Winfrey is basically the unofficial queen of America. She has tons of business ventures, but her biggest is probably her TV network, OWN.
Gwen Stefani
Clothing, shoes, handbags and more! Gwen Stefani's brand, L.A.M.B, stands for Love Angel Music Baby and continues to grow and grow!
Gwenyth Paltrow
This beauty is the mastermind behind the lifestyle website Goop. It's considered to be "where food, shopping, and mindfulness collide."
Donald Trump
He literally just owns everything you could ever imagine.