The singer was hospitalized earlier this week before a Kansas City show
Singer has severe allergic reaction to antibiotics
Macklemore & Ryan Lewis scored nominations in eight categories
Jay-Z, Macklemore & Ryan Lewis, Avicii, Icona Pop and Eminem also scored multiple nominations
It's a "hard-hitting" week in the celebrity gossip bureaus with the Katy and Miley "drama" and Justin Bieber pacing around a jail cell
"Late Night" host gives us a look at their secret messages
"Twerking is out, waltzing is in, " Perry noted
The pop singer's kiss with Perry during a Staples Center performance in Los Angeles set social media abuzz
"Wrecking Ball" songbird assumes the position in patriotic salute
If you can't beat 'em... twerk
Her critics are "just jealous"
And it wasn't the first time for the multi-talented Oscar winner
The "Wrecking Ball" singer watches herself on "Crook & Chase" at two years old
Also, she sings a bunch of songs
The "Wrecking Ball" singer shared her MTV special stage with the "Material Girl" on Tuesday
Her first assignment will be a sit-down interview with Miley Cyrus
Kimmel invited a toddler who likes to sing Miley Cyrus songs on his show to answer the question, "Can They Do It Live?"
The singer nabs her own episode of the cable channel's intimate Grammy and Emmy-winning concert series
The "Labor Day" star seems to think Cyrus' life is a "horror" story
Katy Perry also watches Speaks kick off residency at Planet Hollywood
Beyonce, Paul Walker, and Macklemore & Ryan Lewis round out the Top 5 -- and even Miley Cyrus and Justin Bieber get in on the...
Where are Hannah Montana's hands going?
Pranks! Slaughter! Roller-Dancing! The biggest highlights in this Year of Our TV Viewing 2013
The "American Hustle" and "Hunger Games: Catching Fire" star also beat out "Breaking Bad" and Justin Timberlake
Jeff Berg launched his own agency, Les Moonves took on Time Warner Cable and Miley Cyrus took off her clothes to take over the world
A mystery is solved on “Barbara Walters Presents: The 10 Most Fascinating People of 2013”
Blondie and Icona Pop will also perform live from New York City's Times Square
"Wrecking Ball" singer says she relishes solitude after hoopla over her engagement to Liam Hemsworth
Jean Claude-Van Damme's "Epic Split" Volvo commercial also made the list after debuting less than a month ago
From "Breaking Bad" to the ironic "Lucky 7," who made it and who just faded on the small screen