There are a number of celebs who have little sideline businesses to keep them going, and there are quite a few that might surprise you.
Can you guess which actress has make up line, or which popular Canadian singer has his own whisky? Find out below!
George Clooney - Casamigos Tequila
The Casamigos brand was founded in 2013 by Clooney, Randy Gerber (Cindy Crawford's husband) and Mike Meldman. Clooney and Gerber originally started producing the liquor only for themselves and friends, but it quickly grew into an established business.
Drew Barrymore - Flower Beauty
Barrymore is the owner of the cosmetics brand which spends no money on advertising, instead relying on its owner to promote the product to fans worldwide. The brand is known for its high quality but low prices and is only available at Walmart.
Paul Newman - Newman's Own
The Newman's Own brand began with a salad dressing, devised by Newman himself and the author, A.E Hotchner. After its popularity became obvious, the pair produced the products commercially and added to their line with other products including pasta sauce and salsa. The profits are donated to charity.
Beyonce Knowles - 22 Days Nutrition
22 Days Nutrition provides organic, vegan, gluten-free meals that are available for delivery. It was devised after Beyonce and Jay-Z took on a challenge to go vegan for 22 days.
Karlie Kloss - Karlie's Cookies
Kloss may be one of the world's most famous catwalk models, but she's clearly partial to a biscuit too. She partnered with chef Christina Tosi to create two cookie flavours. The proceeds from the sale of these biscuits went towards helping provide meals for children and around the world.
Jessica Alba - The Honest Company
Jessica Alba started The Honest Company alongside Christopher Gavigan - who is the company's Chief Product Officer. The brand sells non-toxic products for the house and home and Alba was inspired to start the business after the birth of her first child.
Ellen Degeneres - Ed by Ellen
Ed by Ellen is a lifestyle brand which sells a combination of women's clothing and products for the home. Degeneres often wears the brand on stage during her popular talk show, which no doubt helps to boost sales.
Jessica Biel - Au Fudge
Jessica Biel's restaurant styles itself as an eatery that is as enjoyable for parents as it is for children. The restaurant also has a market place where you can buy toys and cakes, as well as products from Jessica Alba's Honest Company!
Lenny Kravitz - Kravitz Design Inc.
Kravitz has launched his own collection of 1970s inspired furniture and homewares with quirky lamps, unusual chairs and much more on offer.
Drake - Virginia Black Whiskey
Virginia Black Whiskey is a collaboration between songwriter and rapper, Drake, and Brent Hocking - who founded the original Deleon Tequila.
Sandra Bullock - Bess
Bess Bistro was opened by world famous actress Sandra Bullock in 2006, but shutdown in 2015. The restaurant was in Austin, Texas. Bullock also owns Walton's Fancy and Staple just across the street from the bistro - the shop is a bakery, restaurant and also has an event planning service.
Susan Sarandon - Spin Ping Pong
This quirky ping pong club is a popular attraction in both New York and Chicago and was co-founded by the award winning actress in 2009.
Raquel Welch - Hair U Wear
Hair U Wear offers consumers a luxurious collection of human and synthetic hair wigs. The company has a specific range of Raquel Welch wigs and the actress admits to wearing them not only in public but in her private life too.
Jane Seymour - Open Hearts by Jane Seymour
Open Hearts is a jewellery collection started by Seymour in partnership with Kay Jewelers in 2008. Seymour has also written a series of books with the Open Hearts title and the jewellery line is one of the most successful on the market.