Katy Perry Recalls Her Own 21st Birthday as American Idol Turns 21(05) Save Image Image gallery: Katy O'brian Height
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:max_bytes(150000):strip_icc():focal(749x0:751x2)/katy-perry-teases-kp6-album-081123-01-49f386199b3846368fdd022fe4b2d843.jpg "Judge Orders Katy Perry to Testify in Case Over 15 Million Home")
:max_bytes(150000):strip_icc():focal(779x299:781x301)/Katy-Perry-tour-01-041423-e13a7817486b48398b4f90d7ae42cf6a.jpg "Luke Bryan Defends Katy Perry from 'American Idol' Backlash She 'Gets")
