Buzz Bites (8/6/10): Lady Gaga Headlines Lollapalooza Tonight

(Credit: Soul Brother/FilmMagic)

+ Lady Gaga headlines the opening night of the Lollapalooza festival tonight. Find out what's changed for the Mama Monster in the three years since she last played legendary gig. (Idolator)

+ Despite the New York Post reporting otherwise, Katy Perry insists she is not being sued by the Beach Boys over "California Gurls." (MTV News)

+ Alicia Keys is on a boat! She's also pretty preggers and on her honeymoon in Corsica (after marrying Swizz Beatz). But still ... she's on a boat! (PopSugar)

+ Emma Watson got a new haircut, and it's pretty awesome. (ImNotObsessed)

+ Jessica Simpson is "done" trying look like a Barbie doll. (People)