Jennifer Lopez And Casper Smart Celebrate His Birthday

April 7 2012, Published 9:57 a.m. ET

Jennifer Lopez wore a skin-tight turquoise dress for her night out on the town Friday. She was with boyfriend Casper Smart as the pair celebrated his 25th birthday.

Earlier in the day Lopez, 42, tweeted To Casper, using his nickname. "We hope Beau has the happiest Birthday Beau ever has!"

The couple went to the popular West Hollywood restaurant Cecconi's. After a leisurely meal, they left in Lopez' luxury car, with Casper behind the wheel.

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Lopez and Smart have been making waves with her super-sexy new music video, where he appears as the primary dancer. The vid for Dance Again also caused a firestorm of criticism for being premiered on family-friendly American Idol.

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