One shocked fan tweeted: 'Today I learnt that "Toxic" by Britney Spears was written about Noel Fitzpatrick (SuperVet).' Another wrote: 'My friend just told me that the Britney Spears song "Toxic ...

Bobby Brown isn't a fan ... the "Toxic" singer's cover over the R&B and hip hop legend's original tune. "New headline: Bobby Brown, on the brink of being forgotten, brings up Britney Spears ...

Her catalogue of hits spans nearly 30 decades, so no wonder Britney Spears' fans ... as the popstar's fans are only just realizing who another of her greatest hits 'Toxic' is really about ...