CELEBRITY BIRTHDAYS (12/9/11): Mayim Bialik 36 - She was Blossom!!! These days she's Sheldon’s "friend that's a girl, but not a girlfriend" on "The Big Bang Theory" …

Peep This: Click on the pic below to peep a photo slideshow of Mayim getting a complete makeover on a recent episode of TLC’s “What Not to Wear” …

True Dat Fact: Bialik studied neuroscience at the University of California, Los Angeles. Her research on the hormones oxytocin and vasopressin, which are critical to the mother-child bond, helped her understand biological mechanisms involved in parenting. That led to a book about parenting based on the science of hormones to be released in 2012. So she's sexy and smart!!!

--Jennifer Connelly 41 - The hottie that was in "A Beautiful Mind", "Hulk" and "Blood Diamond" …

--Bill Nighy 62 - Davy Jones in the "Pirates of the Caribbean" movies, Viktor in the "Underworld" films, and Shaun's stepfather in "Shaun of the Dead". He's also in the upcoming "Clash of the Titans" sequel and "Total Recall" remake …

--Bob Barker 88 - Retired "Price Is Right" stud …

--Dionne Warwick 71 – Known for Top 10 hits like ‘Walk On By,’ ‘Do You Know the Way to San Jose,’and “Heartbreaker,” being Whitney Houston’s cousin, and hosting infomercials for the Psychic Friends Network from ’91 to ’98 …

True Dat Fact: Warwick ranks second only to Aretha Franklin as the most charted female vocalist with 56 singles making the Billboard Hot 100 between 1962 and 1998