Instagram / @arod

This story originally appeared on InStyle.com.

Now, that’s one sweet way to take your relationship to the next level!

Over the weekend, Jennifer Lopez and Alex Rodriguez cemented their status as Hollywood’s power couple by combining their birthdays into one big bash.

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The smitten pair, who turn a year older just days apart from each other, feted their special week on Saturday in Miami with an epic joint party that included sweet PDA, a towering six-tier cake, a rendition of Neil Diamond’s “Sweet Caroline,” and some seriously striking birthday attire.

Proving that age is really just a number, the Latina songstress, who officially turns 48-years-old on Monday, gave a new meaning to “birthday suit” when she almost bared it all in a completely sheer LBD that featured strategic ab-flaunting side cut-outs. A bedazzled clutch, oversized hoop earrings, and black sandals put the glam finishing touches on the birthday girl’s sizzling getup.

The former pro athlete also dressed to the nines in a bright blue suit and slightly undone white dress shirt. A-Rod took to Instagram to pour on the love with a few sweet shots of the twosome, one of which he captioned: “Happy Birthday to Us!!! #leos #305.”

We all know a J.Lo party wouldn’t be complete without a dance session, so A-Rod shared several steamy clips of the pair showing off their moves and serenading each other to “Sweet Caroline.”

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Family and friends were on hand for the lively celebration, where a gold and silver six-tier cake decorated with cream roses and Jennifer’s name was the centerpiece of the night.

Of course, Lopez had a few snaps of her own to share...

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Looks like good times really never seemed so good for these lovebirds!