Jennifer Lopez is HOW old?

The singer celebrated her 50th Bday in Miami at Gloria and Emilio Estefan mansion with 250 guests at a ‘gold-themed’ bash which brought out all the glitter.

JLo wowed in a Versace dress that wouldn’t be out of place in a B&D dungeon, while other partygoers threw on gold chains (easy for the rappers in attendance) and tacky jewelry.

Even the cake was gold. But of course…