Justin Timberlake and rapper Lupe Fiasco have been recruited by pop singer Kenna to climb Mount Kilimanjaro this autumn in a bid to raise money for charity.

Ashlee Simpson has announced some very important dates! Her new single, "Little Miss Obsessive," which features Tom Higgenson of Plain White T's, will be digitally released on March 11. Then, her full-length album, "Bittersweet World," hits stores and will be available digitally on April 22.

Want to know how an athlete like Serena Williams achieves her combustible mix of electric speed and long haul endurance? Find out from her custom-made workouts that are designed to improve speed, build stamina, and give you a boost when needed.

Ashlee Simpson is in a good place. She has two multi-platinum records that debuted back to back at the top of the charts and collectively sold more than four million copies in the U.S. alone.

Chicago rapper Twista has been axed from a tour sponsored by fast food giant McDonalds because his lyrics were deemed too offensive. The 10-city concerts will feature performances in McDonalds' parking lots across the U.S. by stars including Ne-Yo, Kenna, Kat De Luna, the Dey, Single File and Kevin Michael.

Jive recording artist Justin Timberlake adds special guests to his 2007 FutureSex/LoveShow. Fergie, Natasha Bedingfield, and Kenna have been chosen to open on specific European dates of the wildly popular and critically well received 2007 FutureSex/LoveShow, which kicked off April 24 in Belfast, Ireland.

Filter Magazine, the country's premiere independent music publication, and innovative clothing brand American Rag Cie have once again partnered to launch Issue #2 of Ragged. This thirty-two page special edition magazine features stories on indie rock and alternative music from major and up-and-coming artists.

Ethiopian-born rock star Kenna brought the stars out when he played a concert in Los Angeles on Monday night - Jessica and Ashlee Simpson and Pete Wentz were among his celebrity fans.