Here's how she celebrated her 34th birthday
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Miley sent balloons
Madonna
"Happy Birthday, Britney. She is a great kisser. I'm just telling you that right now ok. No lies."
Gina Rodriguez
Ellen
JL
https://twitter.com/britneyspears/status/672249527017988096 / https://www.instagram.com/p/-0wODaoalH/ / https://twitter.com/britneyspears/status/672242079997624320 / https://www.instagram.com/p/-0HvhiG8Bt/?taken-by=britneyspears
https://twitter.com/TheEllenShow/status/672127952172154880
https://twitter.com/HereIsGina/status/672239193494585344
https://twitter.com/PieceofBritney/status/672226959800299520
https://twitter.com/jamielynnspears/status/672099501491007488
Thank you so much for all the birthday wishes today! I loved reading them just as much as I loved my teacup cake 🎂 pic.twitter.com/TsUdZe5p8K
— Britney Spears (@britneyspears) December 3, 2015
Britney wishes herself happy bday in the most britneyish way possible 💀😂😂 pic.twitter.com/6XVODoga2i
— Joanna (@PieceofBritney) December 3, 2015
Miley sent balloons
Had the CUTEST surprise party today!!! A special thank you to Miss @MileyCyrus for sending these awesome balloons! 🎈 pic.twitter.com/6W7TmNBGeo
— Britney Spears (@britneyspears) December 3, 2015
Madonna
"Happy Birthday, Britney. She is a great kisser. I'm just telling you that right now ok. No lies."
Gina Rodriguez
Happy birthday @britneyspears you brilliant woman you!!!! Hope this next year is filled with laughter, love and health! 😘😘
— Gina Rodriguez (@HereIsGina) December 3, 2015
Ellen
Happy birthday, @BritneySpears! You’re Thritney-Four!
— Ellen DeGeneres (@TheEllenShow) December 2, 2015
JL
Happy Birthday to the strongest, most beautiful, and inspiring girl on earth👸💕I love you💕👯 pic.twitter.com/0TGRkvR3Sm
— Jamie Lynn Spears (@jamielynnspears) December 2, 2015
https://twitter.com/britneyspears/status/672249527017988096 / https://www.instagram.com/p/-0wODaoalH/ / https://twitter.com/britneyspears/status/672242079997624320 / https://www.instagram.com/p/-0HvhiG8Bt/?taken-by=britneyspears
https://twitter.com/TheEllenShow/status/672127952172154880
https://twitter.com/HereIsGina/status/672239193494585344
https://twitter.com/PieceofBritney/status/672226959800299520
https://twitter.com/jamielynnspears/status/672099501491007488