Even though she said "no more private gigs" in her first appearance, she later appeared at Sheldon Dinkleberg's block party in "The Masked Magician". She may have changed her mind about that in between the latter mentioned episode and "Cosmo Con".
Britney is one of the most recurring celebrities used in the series along with Chip Skylark and Adam West.
Britney Britney likes soy milk, pickles, hot tubs and puppies.
Unlike most females in Fairly Odd Parents, she has round breasts unlike the pointed ones from other girls.