katy perry
Two of the world's biggest pop stars go at it on Twitter.
An expert weighs in on why.
And tips to get them out.
Plus, other buzzy headlines from today.
On GMA, he kinda mocked Katy's music.
Just a little hint of brown (or a lot) can give your lipstick a whole new look.
A gorgeous red lip paired with black liner and bold lashes – of course you want to learn how to get it yourself!
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