American singer Katy Perry is having such a huge year that she hardly needs more reasons to celebrate, but she woke up to another one this morning, she turns 27 today.In 2011 alone, the pop star tied Michael Jackson's record for the most No. 1 hits from a single album, won the MTV Video Music Award for Video of the Year for "Firework," scored four Grammy nominations and has been touring the globe on her sold-out "California Dreams Tour."
