Jessica Simpson - Singer and actress started “the Jessica Simpson Collection” in 2005, fashion empire includes shoes, handbags, swimwear, jewelry and more. She also launched her own signature fragrance.
Jennifer Lopez – Pop diva Jennifer Lopez successful JLO line also led her to venture into the perfume industry, with her debut “Glow by J.Lo.”
Justin Timberlake - Justin Timberlake and his childhood friend Trace Ayala launched the clothing line William Rast (best known for their premium jeans) in 2005. The name “William Rast” is a combination of Timberlake’s grandfather’s first name and Ayala’s grandfather’s last name.
Kimora Lee Simmons: $800 million – Kimora’s 3 fashion lines, KLS, Kouture by Kimora, Fabulosity (she recently stepped down from Baby Phat, a company she co-founded with ex-husband, Russell Simmons) earned her a whopping $800 million per year in sales.
Gwen Stefani – The lead vocalist ate “No Doubt”, Gwen Stefani has turned her unique sense of style into a profitable fashion clothing line with the introduction of L.A.M.B. (Love Angel Music Baby) in 2004. L.A.M.B. manufactures apparel and fashion accessories, sold in 275 stores worldwide.
Sean Combs (Puff Daddy) - Music recording artist Sean “Diddy” Combs created the successful Sean John line in 1998. It was nominated for the Council of Fashion Designers of America (CFDA) Award for Menswear Designer of the Year in 2000, and won in 2004.
Penelope Cruz - Spanish actress Penelope Cruz and her sister, Monica, have designed a clothing line for the Spanish label Mango.
Jay-Z – The rapper developed the urban clothing brand Rocawear in 1999 for men, women and kids.
Beyoncé Knowles – The singer Beyoncé Knowles and her mother, Tina Knowles, developed the high-end fashion line house of Dereon in 2004.
Mary-Kate Olsen and Ashley Fuller Olsen - The fashionable twins have created a kids clothing line as well as the high fashion line label The Row.
Victoria Beckham - In 2007, Victoria Beckham unveiled her denim collection, called dVb. She debuted her own fashion collection at 2008′s New York Fashion Week.