Katy Perry knows online critics ... is important to me,” the “Firework” and “California Gurls” singer said Tuesday on Instagram. Perry, 40, wrote about how she moves past online scrutiny ...

Katy Perry has gushed about fellow pop star Lady Gaga. The California Gurls hitmaker was spotted ... clip of Gaga's Abracadabra performance and a video of her dancing with her friend Lauren ...

Katy Perry's "Wide Awake" lyrics tell a story of facing challenges and focusing on self-realization, highlighting personal ...