POTW: Rihanna, Justin Bieber, Katy Perry, Lady Gaga, No Doubt
July 20: Rihanna poses with her momma...
July 20: Rihanna poses with her momma and grand-momma backstage during the LOUD 2011 Summer Tour.
Katy Perry goes from 'California Gurl...
Katy Perry goes from 'California Gurls' to cowgirl as she nibbles on a BBQ turkey leg at the Calgary Stampede rodeo on July 16 in Calgary, Alberta, Canada.
Howard Stern meets Lady Gaga at the S...
Howard Stern meets Lady Gaga at the SiriusXM Studio in NYC where the singer performed live on the 'Howard Stern Show' on July 18.
Christina Aguilera and son, Max, pose...
Christina Aguilera and son, Max, pose with the lovable ogre, Shrek, when attending 'Shrek The Musical' at the Pantages Theatre in Hollywood on July 19.
Industry titans Clive Davis and Diddy...
Industry titans Clive Davis and Diddy join husband and wife Swizz Beatz and Alicia Keys at the unveiling of Beatz' and Reebok Classics' "Reethym of Lite" Campaign at Escape in NYC on July 19.
Demi Lovato plays makeup artist to he...
Demi Lovato plays makeup artist to her sister and actress Madison De La Garza during a Live Chat at Cambio Studios in Hollywood on July 21.
Justin Timberlake and Olympian snowbo...
Justin Timberlake and Olympian snowboarder Shaun White pose for a photo op at the 'Friends with Benefits' premiere at Ziegfeld Theater in NYC on July 18.
No Doubt hits the studio with Major L...
No Doubt hits the studio with Major Lazer producers Diplo and Switch on July 21. Major Lazer is working on the group's first album of original material since a decade.
July 17: Hodgy Beats of Odd Future st...
July 17: Hodgy Beats of Odd Future stage dives at their performance during the 2011 Pitchfork Music Festival.
Kelis bares her bones during a perfor...
Kelis bares her bones during a performance on day three of the Lovebox festival in Victoria Park in London on July 17.
Cee Lo peeps out from his towel head ...
Cee Lo peeps out from his towel head wrap to answer Matt Lauer's questions during the singer's performance on NBC's 'Today' in NYC on July 22.
A smiling Tyler the Creator sports a ...
A smiling Tyler the Creator sports a pink and blue cast and later trades his shirt for crutches during Odd Future's performance on day three of the Pitchfork Music Festival in Chicago on July 17.
West Coast legends Snoop Dogg and Dr....
West Coast legends Snoop Dogg and Dr. Dre reunite for the 'Beats By Dre' party at Gotha Club in France on July 18.
Jeff Beck, once Wimbledon College of ...
Jeff Beck, once Wimbledon College of Art student, graduates with an Honorary Degree as part of the University of the Arts London's commencement at the Royal Festival Hall in London on July 18. Congrats!
Instead of chasing a 'Rude Boy,' Riha...
Instead of chasing a 'Rude Boy,' Rihanna smooches Justin Bieber's Rolling Stone cover via her twitpic.