CELEBRITY BIRTHDAYS (10/25/11): Katy Perry 27 - Real name: Katheryn Elizabeth Hudson. She kissed a girl and she liked it, you know. 

Watch: Katy sing "The One That Got Away" on the "X Factor" results show week 2 ...

--Nancy Cartwright 54 -  "Voice Artist" best known as the voice of Bart Simpson. She also voices Nelson, Rod and Todd Flanders, and Ralph Wiggum ...

--Ciara 26 - "The Princess of Crunk & B." best known for the club bangers "Goodies" and "1,2 Step" ...

Watch: "1, 2 Step"

--Adam Goldberg 41 - You might remember him as Chandler's crazy roommate Eddie on a few episode of "Friends", and the wise-cracking infantryman Mellish in "Saving Private Ryan." He also played Richard Sol in "A Beautiful Mind", and Nick Rubinstein -- the sleazy, spoiled, rich producer of Vince and E's movie "Medellin", on "Entourage"...

--Helen Reddy 70 - Singer, songwriter often referred to as "The Queen of 70s Pop" because she place fifteen singles in the Top 40 between 1970 - 1979.  Six of those 15 songs made the Top 10 and three of those songs reached No. 1, including her signature hit "I Am Woman" ...

--Marion Ross - 83 Mrs. "C". on "Happy Days" ...