The New Kids on the Block spill exclusive scoop on their new album--and reveal why they reunited after almost 15 years!

How does "American Idol" and "E! News" host Ryan Seacrest juggle all of his jobs? Tag along with him and find out!

There's a new principal in town! Harry Wilson enters Beverly Hills High--with a little trip down memory lane.

What did the King of Pop do for his half-century B-Day? He phoned "Good Morning America" and his answer may be surprising.

Jessica Simpson goes country for "Lucky" Magazine in full cowgirl garb. See how it's done Texas style!

The competition is about to get crazy! See just how far the new crop of celebs will go to win "Dancing with the Stars."

She may play a "Gossip Girl" on TV, but in real life, Blake Lively is more of a Guitar Hero. See for yourself!

See what happens when Joel McHale makes a cameo in Heidi Montag's new music video for "Overdosin'." Watch out, Spencer!

What were the celebs up to this week? A few breakfasts, some shopping, and hair appointments. Marc's got the details!

Valerie Bertinelli is there for former big TV sis Mackenzie Phillips in her time of need. Hear what she's saying.