[caption id="attachment_27521" align="aligncenter" width="600" caption="Katy Perry. Photo: Twitter.com/KatyPerry"]Katy Perry. Photo: Twitter.com/KatyPerry[/caption] While Katy Perry is recovering from food poisoning, she took to Twitter to post a photo of her planking as Ariel, the Disney Mermaid.  Sweet and innocent, right?  Not to Lady Gaga fans as Gaga wanted to dress as a mermaid in her "Edge Of Glory" video but didn't but plans to use the concept for her upcoming video. Gaga fans  took to Twitter to slam Perry for the plank?  What did Lady Extravaganza's fans have to say?  READ REST OF ENTRY>>>>>