From: NBC Philadelphia on Mon, Feb 14 2011 8:58 PM

Katy Perry brought her 90-year-old grandmother as her date to the 2011 Grammy Awards. Grandma Anne tells what she really thinks of Katy’s hit song "I Kissed A Girl".

From: NBC Philadelphia on Mon, Feb 14 2011 8:58 PM

Backstage at the 2011 Grammy Awards, the band members of Arcade Fire are still in shock over winning Album of the Year over some of music’s "heavy hitters." Plus, to which under-appreciated artist would they gladly give up their Grammy?

From: NBC Philadelphia on Sat, Feb 12 2011 1:13 PM

Usher says his pre-Grammy party is a "celebration" for the collaboration of many people to bring awareness about HIV and AIDS in Africa. Plus, Usher talks about his upcoming Grammy performance with his protégé Justin Bieber.

From: NBC Philadelphia on Sat, Feb 12 2011 1:13 PM

Simon Cowell talks about bringing his hit UK show, "The X Factor," to the U.S. Find out how the show be different from "American Idol", who "The X Factor" judges will be. Plus, is Simon trading in his trademark v-neck tees for more formal attire?

From: NBC Philadelphia on Fri, Feb 11 2011 9:04 AM

Tuesday night was worldwide premiere night for the new Bieber Bio, and L.A. Live was ground zero.

From: NBC Philadelphia on Fri, Feb 11 2011 9:04 AM

Among the screaming, fervid fans, Justin Bieber talks about his new movie, and Usher voices his thoughts on discovering the Boy Wonder.

From: NBC Philadelphia on Sun, Feb 06 2011 3:43 AM

"South Park" creators Trey Parker and Matt Stone chat about what inspired them to do a Broadway musical about Mormons. Plus, the team tells which Mormon brother and sister act served as a muse for the play.

From: NBC Philadelphia on Sun, Feb 06 2011 3:42 AM

Will.i.am, Fergie, Taboo and apl.de.ap share their excitement about being headliners at the Super Bowl XLV halftime show. The Peas reveal how they plan to get the audience feeling fun and festive, and Fergie ponders what to wear.

From: NBC Philadelphia on Wed, Feb 02 2011 1:32 AM

When he is done with his tour for "Musica + Alma + Sexo," Ricky Martin will take on the revival of "Evita" — and he said it’s about time he returned to the stage.

From: NBC Philadelphia on Wed, Feb 02 2011 1:32 AM

Matthew Morrison chats about Gwyneth Paltrow’s return to "Glee" as substitute teacher Holly Holiday. This time, Gwyneth will school students on sex ed in an episode called "Sexy."

From: NBC Philadelphia on Sun, Jan 30 2011 4:20 PM

Veteran "American Idol" judgeRandy Jackson discusses the emotional ups and downs of the new season.

From: NBC Philadelphia on Sun, Jan 30 2011 4:20 PM

Nicki Minaj never thought she’d end up on "Saturday Night Live." The rap star is set to perform her hit songs "Right Through Me" and "Moment for Life," but will the longtime SNL fan be appearing in any sketches?

From: NBC Philadelphia on Thu, Jan 27 2011 3:06 PM

Elton John talks about his movie, "Gnomeo & Juliet," an animated version of Shakespeare’s classic love story. Also, Elton chats about his duet with Lady Gaga in "Gnomeo & Juliet." Plus, what was it like to work with partner David Furnish on this...

From: NBC Philadelphia on Thu, Jan 27 2011 3:06 PM

"Hairspray" star Nikki Blonsky talks about how she got her starring role alongside John Travolta and her new Broadway play "Love, Loss, and What I Wore."