Boy, how times flies.

Britney spears turned 34 on Wednesday, and she celebrated with a surprise party.

Miley Cyrus was kind enough to send some giant, shiny balloons for the occasion.

“Had the CUTEST surprise party today!!! A special thank you to Miss @MileyCyrus for sending these awesome balloons!” Spears wrote on Instagram.

Had the CUTEST surprise party today!!! A special thank you to Miss @MileyCyrus for sending these awesome balloons! ?

A photo posted by Britney Spears (@britneyspears) on Dec 2, 2015 at 6:32pm PST

Here are some more snaps from Spears’ 34th birthday party:

“Thank you so much for all the birthday wishes today! I loved reading them just as much as I loved my teacup cake,” she wrote.

Thank you so much for all the birthday wishes today! I loved reading them just as much as I loved my teacup cake ?

A photo posted by Britney Spears (@britneyspears) on Dec 2, 2015 at 7:01pm PST

How cute are these!!?

A photo posted by Britney Spears (@britneyspears) on Dec 2, 2015 at 7:21pm PST

We recently found out that Britney Spears and Adele pretty much love each other, so that’s nice.