Ashton & Demi's New Diet, Mary-Kate & Ashley's Latest Line, and More!

By InStyle Staff

Updated Jul 12, 2010 @ 12:15 pm

Kyle Rover/Startraksphoto; Stephen Lovekin/Getty; Kevin Mazur/WireImage; Courtesy Bella Sugar; Dimitrios Kambouris/WireImage; Courtesy of Outnet

1. Demi Moore and Ashton Kutcher started the Master Cleanse. [HuffingtonPost.com]

2. Mary-Kate and Ashley Olsen unveil their newest Olsenboye collection. [People.com]

3. Russell Brand gives fiance, Katy Perry, style advice—and she listens! [Vogue.co.uk]

4. LipSmackers and VitaminWater join forces on hydrating lips. [BellaSugar.com]

5. Victoria's Secret is launching Halloween costumes. What took them so long? [Glamour.com]

6. See how you can win a coveted Herve Leger dress now! [TheOutnet.com]