See the star's three sexy outfit changes

Jennifer Lopez is continuing to prove why she’s one of our Best Dressed Stars of 2014. The fashion risk-taker put her famous 45-year-old (!) body on display in three bold looks Thursday while working on the American Idol set.

Jennifer Lopez American Idol style

Jack RS Chris/X17 Online (3)

First up, a long, flowy black-and-white printed design with with a cutout bodice. She gave the look a glam boho feel by adding a wide-brim hat. Her beauty look was quintessential Lopez, consisting of a dark smoky eye, majorly bronzed glow and high-gloss lip.

The star’s next look was a total Jenny from the Block throwback: black leather harem pants, a shiny top and exposed bandeau. And finally, she took it to Black Tie J.Lo, wearing a a black sheer lace midi dress with slightly-exposed briefs. She teamed the look with lace-up open-toe booties and a sleek blowout.

If she looks more radiant than usual, it’s because she’s feeling great in her own skin — and has been sharing her feelings on aging with the universe.

“This is good for women,” she told The Insider of her sexy new music video for “Booty” in which she co-stars (and goes butt-to-butt) with 24-year-old rapper Iggy Azalea. “You have to know that you don’t disappear after you’re 28 years old. You can be here, you can be vital and young and sexy and feel good about yourself.”

Her secrets for staying in such great shape? Well, turns out they’re not so secret — it’s all about the right mix of diet and exercise.

“Nobody can escape the hard work that it takes to get results,” she shared. “All of us have to work hard at it and I definitely have to.”

What do you think of Lopez’s curve-loving style? Which look is your favorite? Share your thoughts below.

–Brittany Talarico