1 of 12
GABRIELLE UNION'S DIMPLES
"I've always embraced them," says the Being Mary Jane star, 44, whose cheeks have inspired dimplant surgery, according to plastic surgeons.
2 of 12
PRIYANKA CHOPRA'S HAIR
"I was born bald," says the Pantene spokeswoman and Quantico star, 34. "My grandma shaved my head four times before I was 1 so it would grow."
3 of 12
JENNIFER LOPEZ'S BUTT
Lopez's booty has been credited with inspiring a rise in butt augmentation surgeries, but the Shades of Blue star's rear is all real. Lopez, 47, enhances it naturally by mixing up her workouts. "Dancing, yoga, weights and Tracy Anderson techniques are part of my regular regime," she says.
4 of 12
CAITRIONA BALFE'S SKIN
"I'm quite proud to say that I haven't gone to sleep with my makeup on since I was a teenager," says the Outlander star, 37, who favors NYDG's Formula119 Cream for her complexion.
5 of 12
MICHELLE OBAMA'S ARMS
Frequent cardio and strength workouts help the former first lady, 53, maintain her much-praised toned look. "I want to be as healthy as I can be because I want to be able to enjoy my 70s and 80s," she says.
6 of 12
AMERICA FERRERA'S SMILE
"A real smile gives you energy," says the Superstore star, 33, whose grin was once insured for $10 million. "A fake smile takes it away."
7 of 12
JULIANNE HOUGH'S ABS
"Every workout that I do consists of holding and engaging my core," the 28-year-old dancer and Dancing with the Stars judge says. "But I love targeting my obliques and lower abs. I have to be careful because it gets to the point where you can see actual muscles, and I go, 'Does that look too masculine?' "
8 of 12
SCARLETT JOHANSSON'S EYES
A facial mapping study says that Johansson, star of Ghost in the Shell, has the most beautiful eyes in the world. Says her makeup artist Frankie Boyd of the 32-year-old: "We emphasize their green color with taupe and brown."
9 of 12
PRINCESS KATE'S NOSE
The profile of the royal beauty, 35, matches the features — straight, delicate and feminine — that most women find desirable, according to a recent study.
10 of 12
LEA MICHELE'S NAILS
The actress, 30, who just released her second album, Places, always shines with vampy or nude tones on her natural nails. The secret to perfection? "Regular maintenance, organic products and a healthy lifestyle," says her manicurist Jenna Hipp.
11 of 12
LILY COLLINS'S BROWS
The actress, 28, who stars in the upcoming film To the Bone, has said her brows, which once spawned a Twitter account, "have a life of their own." Her makeup pro Fiona Stiles reports, "All I do is fill them out, then set them with brow gel."
12 of 12
HEIDI KLUM'S LEGS
"I still enjoy wearing miniskirts and showing them off," says the host of America's Got Talent, 43, whose legs were once insured for $2.2 million.
Ayesha Curry Gets Full Support from Her Sweet Family, Plus Gabrielle Union, Katie Holmes & More
Oscar Isaac Marks Human Rights Day with a Plea to End ‘Genocide and Mass Atrocities’
Star Tracks: Celebs on Social