Buzz Bites (5/14/10): Katy Perry Pays Tribute To Big Star With 'California Gurls'

+ If you were wondering why the "girls" in Katy Perry's "California Gurls" was spelled with "u," Perry says it's a tribute to the legendary power-pop band Big Star, their classic, "September Gurls," and the band's frontman Alex Chilton, who recently passed away. (MTV News)

+ Mary J. Blige will play Nina Simone in an upcoming biopic of the iconic vocalist. (Idolator)

+ Lily Allen is giving up on her solo career (again) because she's, "'a bit fed up of 'Lily Allen', the character that I've played for the past five years." Get on that, Lily. (Spinner)

+ Gwen Stefani is reportedly pregnant with her third child. (LimeLife)

+ When teenage Internet sensation Greyson Michael performed his now famous cover of "Paparazzi" on Ellen DeGeneres' show the other day, her received a very special phone call from Lady Gaga, herself. (PopEater)