CELEBRITY BIRTHDAYS (10/3/11):Gwen Stefani - 42  Lead vocalist for No Doubt, Gavin Rossdale's wife and baby momma, and one of the sexiest flat-chested woman on Earth ...

Watch:Gwen's #1 song from 2005, "Hollaback Girl"...

--Neve Campbell - 38 "Party Of Five" and "Scream" hottie ...

--Seann William Scott - 35 Stifler in the "American Pie" movies, and Bo Duke in "The Dukes of Hazzard". He's also been in "Final Destination", "Road Trip", "Dude, Where's My Car?", "The Rundown", "Role Models", and most recently, "Cop Out" with Bruce Willis and Tracy Morgan ...

Watch: The “Pie” gang is getting back together for "American Reunion" set for release in April of next year ...

--Lena Headey - 38 She played Sarah Connor on FOX TVs "Terminator: The Sarah Connor Chronicles", the Queen in "300", and the chick Heath Ledger falls for in "The Brothers Grimm" ...

--Clive Owen - 47 Currently in the Jason Statham movie "Killer Elite" but you may remember him in "Sin City", "Derailed", "King Arthur" and "Duplicity" as well ...

--Ashlee Simpson - 27 Jessica’s sister ...

Remember when she was caught lip-synching on "Saturday Night Live" in 2007 then blamed her band? Watch a Fox News news report the morning after HERE

Watch: the MATtv parody ...

--Jack Wagner - 52Frisco Jones on "General Hospital" and Dr. Peter Burns on "Melrose Place". Remember his hit song "All I Need"??? I DO!!!

He and Heather Locklear got engaged this past August,although no wedding date has been publicly set. She recently turned 50 and showed us what she's still got on a recent Hawaiian vacation with Jack ...

--Tommy Lee - 49 Founding member and drummer for Mötley Crüe. He was married to Heather Locklear from 1986 - 1993, and Pamela Anderson from 1995 - 1998 ...

--Lindsey Buckingham - 62 Fleetwood Mac guitarist ...

Watch: a live performance of "Go Insane" ...

--Chubby Checker - 70 Real name: Ernest Evans. Claim to fame: "The Twist"...

Watch: Checker do the Twist on "American Bandstand" ...