HomePersonalised Number PlatesHappy Birthday Britney Spears!! Jayne Henry December 2, 2012 Personalised Number Plates, Private Number Plates The Teenage Singing sensation Britney Spears is celebrating her 31st Birthday today. At 31, I wonder will she be singing “Oops! I Did it again , or her number 1 Hit, Baby One More Time! Britney is a successful American recording artist and more recently American X Factor Judge.We have found the perfect number plates for her vehicle BT10 TNY which would make an excellent Birthday Pressie for her! Enjoy your birthday Britney.