Female music heavy-weights, including Beyoncé, Mary J. Blige, Rihanna, Ciara, Ashanti and Mariah Carey, came together to record 'Just Stand Up', in aid of the "Stand Up To Cancer" campaign. The track, which is very uplifting, made its debut today on various US radio stations. The charity tune was conceived by Antonio "L.A." Reid, who produced it with longtime creative colleague Kenny "Babyface" Edmonds. All 15 singers will share the stage to perform the song live on Sept. 5 during the "Stand Up to Cancer" television special. You can listen to it below, as well as peep the full list of featured artists:

Click here to listen to 'Just Stand Up'

List of featured artists: Beyonce, Mariah Carey, Mary J. Blige, Rihanna, Keyshia Cole, Fergie, Miley Cirus, Ashanti, Natasha Bedingfield, Ciara, Carrie Underwood, Sheryl Crow, Melissa Etheridge, Leona Lewis and Leann Rimes.

Meagan Good hosted a party at the nightclub in Bellagio in Las Vegas this weekend.

Vanessa Simmons poses celebrated her 25th birthday party at Mansion Nightclub on Friday in Miami Beach, Florida.

L A Reid hosted a Hamptons Party recently at his house in Sagaponack, New York. The celebrity guest who attended L.A. Reid's Summer of Love bash included: Ciara, Mary J. Blige, Mariah Carey, Tyler Perry, Star Jones and more.

Check out these promo shots from Beyoncé, Rihanna and Mariah Carey for Fashion Rocks 2008 magazine. Beyoncé looks pretty good decked out in that Armani set.
Some of hip-hop and R&B’s biggest names have signed on to take part in the fifth annual Fashion Rocks concert, which offers the best from the world of fashion and music.
The show air on September 9th on CBS. Now, is it E3 or did you too have to take a closer look at Mariah's photo before you were convinced it was her.
Plus, Rihanna is not rocking it as fly or fabulous as the other two songtress in her promo shot. What's up with that?