This gives a whole new meaning to "Baby, you're a firework." Katy Perry was almost struck by electrical sparks while signing autographs as shown by a new video making the rounds. The video shows Perry ...

Baby, Katy Perry is a firework. And as the singer—mom to 4-year-old Daisy with fiancé Orlando Bloom—turns the big 4-0, allow this look back at her fashion evolution to show you what she's worth.