Katy Perry taking a selfie with a fan in London
Katy Perry taking a selfie with a fan in London.
  • Katy Perry released "Lifetimes," the second single from her new album "143."
  • The song isn't good enough to erase the tragic memory of "Woman's World."
  • However, a PR expert said Perry's comeback is salvageable if her album sounds authentic and modern.

Katy Perry has spent the last week begging us to pre-save her new single, "Lifetimes." After the disastrous reception to its predecessor "Woman's World," it's easy to see why she might need to do the extra legwork.