Alicia Keys, Brad Paisley, Katy Perry & More Set for Kids' Inaugural Concert
The weekend promises lots of celebrity guests before President Obama is sworn in for his second term
Katy Perry Shares Sultry Picture of John Mayer Dressed as Santa
She describes the picture of her boyfriend as "Santa Baby" on Twitter
Katy Perry Brings John Mayer Home for the Holidays
The pop star and singer-songwriter are "happy together," says a source.
Best Songs of 2012 in One Amazing Mashup
DJ Earworm has seamlessly cut together the biggest singles of the year
5 Things You Missed This Weekend: Kelly Clarkson's Engaged, Duchess Kate Is Stepping Back Out & More
One Direction's Niall Horan Talks Kissing Katy Perry
The members of One Direction talk fame, love and more with British Cosmopolitan
Harley Pasternak Blogs: The Best Music for Your Workout
"The higher the beats per minute, the faster you're going to want to move," writes PEOPLE's blogger
Michelle Obama Is Guest of Honor at Jada Pinkett Smith, Salma Hayek Lunch
Event hosted by Jada Pinkett Smith raises $2.1 million for president's re-election bid
Katy Perry Shares a Spiritual Photo Atop a Volcano
The pop star Tweets a photo from a stunning (but unknown) location
