He celebrated his birthday the night before with the staff of his Rocawear clothing line, so a mild fatigue has set in. A In 2008, she told People, "To be my man, you have to put up with a lot. Hulk Hogan tried to open up a pasta joint, which failed miserably. For while Kiss have sold 100 million records around the world, the band has actually made more money from selling licensed products.  Image copyright Getty Images 
 
 Rock star Gene Simmons says that when it comes to making money he is like a great white shark. She said, "Because my teeth are so white and I don't like them to feel too slippery but I do use Listerine and I do floss everyday." He says: "I'm like [billionaire investor] Warren Buffett - he gets up every day and goes to work even though he doesn't need the money. Ever since the four-piece band formed in New York in 1973, it has been Simmons who has kept his eyes on the finances. And it was his incredibly lucrative idea for the band to sell as much merchandise as possible.
– Being rich doesn't always accompany being famous, especially when living a rock star lifestyle, but a handful of A-list musicians have managed to turn their celebrity into successful business ventures: Jessica Simpson: You wouldn't expect a pop singer/reality star who didn't know the difference between chicken and tuna to morph into a fashion mogul, but that's the case of Jessica Simpson. She recently sold a 50% stake in her empire of clothing, shoes, and bags that's said to be worth more than $1 billion. Jay Z: The music mogul once rapped: "I’m not a businessman / I’m a business, man!" The rapper now can count clothing, sports bars, liquor, fragrances, a basketball team, and a music streaming service among his many ventures. Gwen Stefani: The No Doubt vocalist once sang of being "just a girl," but in addition to her solo career and gig on The Voice, she has managed to create a fashion company reportedly worth more than $90 million. Justin Timberlake: The former boy band singer has his hand in many businesses including a clothing line, record label, restaurant, basketball team, and most recently, his own brand of tequila. Gene Simmons: The KISS singer and bassist is reportedly worth more than $300 million, thanks to his role as the band's finance manager and his idea to license tons of merchandise. "Life is business, and I approach life the way sharks approach life—they must keep moving or else they will drown," he recently said in an interview. Click to read about 15 celebrity businesses that went belly up.