[14:08] Singer Jennifer Lopez arrives at the 2015 Billboard Music Awards in Las Vegas
Jennifer Lopez arrives at the 2015 Billboard Music Awards in Las Vegas, May 17, 2015. Reuters/L.E. Baskow

Just days after performing on the “American Idol” finale last week in a sheer number, Jennifer Lopez again wowed in a sheer Charbel Zoe couture gown at the 2015 Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas on Sunday. The 45-year-old singer and actress posed on the red carpet outside the venue while displaying her famous cleavage and curves. The illusion-paneled silver design featured skilfully placed embroidery to achieve a sophisticated-yet-barely-there effect, according to E! Online.

The long-sleeve risqué number put her entire midriff on display. It strategically covered her body in all of the right spots with crystal appliqués and embellishments. The outfit showed off her flat abs. The singer and actress is known for her barely-there red carpet style.

The pop diva styled her look with a bombshell blowout and accessorized with a silver clutch and a few silver rings and small earrings. The star paired her smoldering outfit with dark and smoky eye makeup. Lopez applied bronze blush and used gloss for her lips. She also flashed her nude-colored manicure. J.Lo paired her dress with white pointed-toe high heel pumps.

Though the “AKA” singer arrived alone, she was seen next to her beau Casper Smart during the show. The singer shared a selfie from the awards function with her fans on Instagram. Asked about whether she had brought a date for the show, the pop star said that she was riding solo. Earlier, Lopez had shared a photo of the in-demand choreographer on Instagram last week in honor of #ManCrushMonday, fueling recent rumors that the couple are on again. The singer is busy preparing for her Las Vegas residency, which she announced during the “American Idol” semifinals last week.

Meanwhile, Smart -- who arrived separately -- looked dapper in a dark suit and matching shoes. When asked about his relationship with Lopez, the choreographer said that there were all kinds of rumors about them, like they were married, had babies, and even got divorced. “It’s the media, its rumors, it’s tabloids and when something happens for real, it happens for real,” he said.

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