Lucky A-Rod! Jennifer Lopez Stuns At 48 In Little Black Dress

Jennifer Lopez turns 48 on Monday and she's never looked better!

The superstar flaunted her amazing body with a post on her Instagram wearing a little black dress posing with her boyfriend Alex Rodriguez.

The couple visited Miami for a week of birthday celebrations because A-Rod turns 42, Thursday, July 27.

J-Lo looked amazing in her sensational sheer mini dress that covered her famous body parts with some well-positioned patches.

The famous duo celebrated their joint birthdays with a party in Miami on Saturday but there are sure to be plenty of celebrations all week.

For his part Rodriguez looked super cool in a blue suit with a white shirt.

And he shared a glimpse of the celebrations with their millions of fans on his Instagram Stories that showed the lovebirds posing with an elaborate gold an white cake.

The former baseball superstar then sang along to Neil Diamond's 'Sweet Caroline' on the dance floor while in another shot his famous girlfriend sat on his lap writing 'Bronx' with it.

J-Lo was born in the tough area while Rodriguez played for the Yankees before retiring in 2016 – the two have been inseparable since they started dating earlier this year.

Some insiders are predicting that the famous couple could get engaged later this year but J-Lo may still be having some reservations.

RadarOnline.com exclusively broke the story that Rodriguez had been seeing his mistress Lauren Hunter despite denials from his camp.