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Casper Smart Surprises Jennifer Lopez with Birthday Yacht Party
![Jennifer lopez july25 01.jpg](https://media.okmagazine.com/brand-img/Ax33gA9wC/480x251/2012/07/jennifer-lopez-july25-01.jpg?position=top 480w, https://media.okmagazine.com/brand-img/Ax33gA9wC/640x335/2012/07/jennifer-lopez-july25-01.jpg?position=top 640w, https://media.okmagazine.com/brand-img/Ax33gA9wC/768x402/2012/07/jennifer-lopez-july25-01.jpg?position=top 768w, https://media.okmagazine.com/brand-img/Ax33gA9wC/1024x536/2012/07/jennifer-lopez-july25-01.jpg?position=top 1024w, https://media.okmagazine.com/brand-img/Ax33gA9wC/1280x670/2012/07/jennifer-lopez-july25-01.jpg?position=top 1280w, https://media.okmagazine.com/brand-img/Ax33gA9wC/1440x753/2012/07/jennifer-lopez-july25-01.jpg?position=top 1440w, https://media.okmagazine.com/brand-img/Ax33gA9wC/1600x837/2012/07/jennifer-lopez-july25-01.jpg?position=top 1600w, https://media.okmagazine.com/brand-img/Ax33gA9wC/2160x1130/2012/07/jennifer-lopez-july25-01.jpg?position=top 2160w)
Jan. 28 2015, Updated 2:15 p.m. ET
On the eve of Jennifer Lopez's 43rd birthday party, boyfriend Casper Smart surprised the singer with a big birthday bash aboard a yacht in Manhattan's Chelsea Piers.
OK! NEWS: CASPER SMART AND JENNIFER LOPEZ: IT WASN'T LOVE AT FIRST SIGHT
As onlookers reported that Casper led the former American Idol judge on the boat blindfolded and surprised her with a crowd of friends and a big, white bear birthday cake.
OK! NEWS: HAS JENNIFER LOPEZ REALLY MADE A DECISION TO LEAVE AMERICAN IDOL?
Jennifer looked fantastic in a slinky, backless orange Tom Ford dress and red stilletos.The duo will celebrate their one year anniversary this November.
1. Jennifer Lopez and Casper Smart July 25
![Jennifer lopez july25 010mn_ _2.jpg](https://media.okmagazine.com/brand-img/v0pqz0WQH/480x320/2012/07/jennifer-lopez-july25-010mn_-_2.jpg 480w, https://media.okmagazine.com/brand-img/v0pqz0WQH/640x427/2012/07/jennifer-lopez-july25-010mn_-_2.jpg 640w, https://media.okmagazine.com/brand-img/v0pqz0WQH/768x512/2012/07/jennifer-lopez-july25-010mn_-_2.jpg 768w, https://media.okmagazine.com/brand-img/v0pqz0WQH/1024x682/2012/07/jennifer-lopez-july25-010mn_-_2.jpg 1024w, https://media.okmagazine.com/brand-img/v0pqz0WQH/1280x853/2012/07/jennifer-lopez-july25-010mn_-_2.jpg 1280w, https://media.okmagazine.com/brand-img/v0pqz0WQH/1440x960/2012/07/jennifer-lopez-july25-010mn_-_2.jpg 1440w, https://media.okmagazine.com/brand-img/v0pqz0WQH/1600x1066/2012/07/jennifer-lopez-july25-010mn_-_2.jpg 1600w, https://media.okmagazine.com/brand-img/v0pqz0WQH/2160x1439/2012/07/jennifer-lopez-july25-010mn_-_2.jpg 2160w)
Jennifer Lopez and Casper Smart board her birthday yacht on July 24.
2. Jennifer Lopez and Casper Smart July 25
![Jennifer lopez july25 _013_ _1.jpg](https://media.okmagazine.com/brand-img/VXTxLYecg/335x500/2012/07/jennifer-lopez-july25-_013_-_1.jpg 335w)
Jennifer Lopez and Casper Smart party on her birthday yacht on July 24.
3. Jennifer Lopez and Casper Smart July 25
![Jennifer lopez july25 01_ _1.jpg](https://media.okmagazine.com/brand-img/hcKcXHSFh/333x499/2012/07/jennifer-lopez-july25-01_-_1.jpg 333w)
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Jennifer Lopez and Casper Smart party on her birthday yacht on July 24.
4. Jennifer Lopez and Casper Smart July 25
![Jennifer lopez july25 1_ _1.jpg](https://media.okmagazine.com/brand-img/7AqEG3XkC/396x499/2012/07/jennifer-lopez-july25-1_-_1.jpg 396w)
Jennifer Lopez and Casper Smart party on her birthday yacht on July 24.
5. Jennifer Lopez and Casper Smart July 25
![Jennifer lopez july25 02_ _1.jpg](https://media.okmagazine.com/brand-img/dBBIQM8xN/339x500/2012/07/jennifer-lopez-july25-02_-_1.jpg 339w)
Jennifer Lopez and Casper Smart party on her birthday yacht on July 24.
6. Jennifer Lopez and Casper Smart July 25
![Jennifer lopez july25 005_ _1.jpg](https://media.okmagazine.com/brand-img/uqdJ0yk1F/365x500/2012/07/jennifer-lopez-july25-005_-_1.jpg 365w)
Jennifer Lopez and Casper Smart party on her birthday yacht on July 24.