Dove Cameron at the 2016 Teen Choice Awards at The Forum, 3900 W. Manchester Boulevard in Inglewood, CA on July 31, 2016.

Cher Lloyd performs on stage during The Summer Concert Series At The Grove in Los Angeles, California on Wednesday August 27, 2016.

Ariel Winter at the 13th Annual Teen Vogue “Young Hollywood” Issue Launch Party with Emporio Armani at Armani in Los Angeles, California on October 2, 2015.

Ariel Winter at the 3rd Annual Dream Builders Project “A Brighter Future for Children” Black Tie Charity Gala Benefiting Children’s Hospital Los Angeles at Taglyan Cultural Complex, 1201 Vine Street in Los Angeles, CA on March 3, 2016.

Amber Rose at the red carpet for the 2016 MTV Video Music Awards held at Madison Square Garden in NYC, New York, New York on Sunday August 28, 2016.

Leigh-Anne Pinnock wore nude and white iridescent nails

Ryan Newman wore round black nails decorated with abstract color-block designs.

Megan Nicole wore coral nails decorated with animation decals and charm designs.

Katy Perry showing her support for Hillary Clinton with a special manicure:

“Katy Perry here, taking over Hills’ IG today for the rally in Iowa. The stage is set, and the nails are pressed. ? T-minus 1.5 hours before we Roar together.”

Sofia Carson at the 100th Disney Channel Original Movie “Adventures in Babysitting” and Celebration of All DCOMS at Directors Guild of America, 7920 Sunset Boulevard in Los Angeles, CA on June 23, 2016.