Nelly Furtado - BEST

(Photo by Frazer Harrison/Getty Images for ABC)

Carrie Underwood - WORST

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Natasha Bedingfield - BEST

(Photo by Frazer Harrison/Getty Images)

Caroline Bryan and Luke Bryan - BEST

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Redfoo and Sky Blu of LMFAO - WORST, ALWAYS.

(Photo by Frazer Harrison/Getty Images for ABC)

Zooey Deschanel - BEST

(Photo by Frazer Harrison/Getty Images for ABC)

Justin Bieber - BEST

(Photo by Frazer Harrison/Getty Images for ABC)

Jordin Sparks - BEST

(Photo by Frazer Harrison/Getty Images for ABC)

Julianne Hough - BEST

(Photo by Frazer Harrison/Getty Images for ABC)

Taylor Swift - BEST

(Photo by Frazer Harrison/Getty Images for ABC)

Rapper Hazel-E - WORST, THERE IS A THING AS TOO MUCH

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Carly Rae Jepsen - BEST, CALL US PLEASE!

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Katy Perry and her grandmother - BEST, GRANDMAS ARE THE BEST ACCESSORIES

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Chrissy Teigen - BEST

(Photo by Frazer Harrison/Getty Images for ABC)

Brandy Norwood - BEST, CLASSY AND SEXY

(Photo by Frazer Harrison/Getty Images for ABC)

Miley Cyrus - WORST, WHERE IS THE REST OF IT?!

(Photo by Frazer Harrison/Getty Images for ABC)

Jurnee Smollett - BEST

(Photo by Frazer Harrison/Getty Images for ABC)

Kerli - WORST

(Photo by Frazer Harrison/Getty Images for ABC)

Kuba Ka - WORST, HALLOWEEN COSTUME GONE WRONG

(Photo by Frazer Harrison/Getty Images for ABC)

Bleona Qereti - WORST

(Photo by Frazer Harrison/Getty Images for ABC)

Lacey Schwimmer, singer Joey Fatone and dancers Anya Garnis and Carson Kressley - BEST

(Photo by Frazer Harrison/Getty Images for ABC)

Lacey Schwimmer - BEST, VOLUPTUOUS HAIR AND A SEXY MINI WORK WELL

(Photo by Frazer Harrison/Getty Images for ABC)

Natasha Bedingfield - WORST, CANDYLAND WANTS THEIR QUEEN BACK.

(Photo by Frazer Harrison/Getty Images for ABC)

Julie Bowen - BEST, A LITTLE SKIN GOES A LONG WAY

(Photo by Frazer Harrison/Getty Images for ABC)

Sun Drop Employees- FUNNY BUT NOT RED CARPET WORTHY

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Mayra Veronica - WORST

(Photo by Frazer Harrison/Getty Images for ABC)