Such a blessed, wonderful day!
Happy birthday, @britneyspears!!!! http://perez.ly/uS4zBG I'm still a slave for you!!! xoxo
We're sure our Brit Brit will certainly appreciate all of the thought on such a big day!
We hope you're having a lovely time with all of your friends, family, and loved ones!
P.S. CLICK HERE to "follow" Perez on Twitter!
P.P.S. CLICK HERE to wish Brit Brit a Happy Birthday on Twitter!
P.P.P.S. CLICK HERE to check out a Brit Brit birthday gallery!
[Image via WENN.]