The Best and Worst Dressed Stars on the Red Carpet This Year

The Red Sparrow star sparkled at the 2018 Oscars in this Christian Dior dress which was complemented by beautiful waves and a dramatic smokey eye.

The Black Panther actress was among the best dressed celebrities at the 2018 Academy Awards in this black-and-gold custom Atelier Versace dress.

The comedian's decision to pair her Maggie Marylin dress with fishnet stockings and Jimmy Choo combat boots felt too informal for the star-studded GRAMMYs.

The rapper floated down the 2018 GRAMMY Awards red carpet in a tiered lavender Mohammed Ashi gown with butterfly sleeves.

The "Million Reasons" singer slayed the GRAMMYs red carpet in a long-sleeved, lacy black Armani Privé gown.

The Pitch Perfect 3 star's Balmain suit was underwhelming at the 2018 GRAMMYs.

Steinfeld's Alexandre Vauthier boots gave her look a vibrant pop of color, bringing the "Most Girls" singer's GRAMMYs look to the next level.

Neon fonts and patchwork pants failed to impress on the 2018 GRAMMY Awards red carpet.

The "Havana" singer was red hot at the GRAMMY Awards in this Vivienne Westwood couture dress.

Unfortunately, the nude top washed her out and the Gucci jacket and pants suit set was just a little too over the top, even for the GRAMMYs.

The pregnant celeb wowed on the 2018 GRAMMY Awards red carpet in this silver Yanina Couture gown.

The "Tyrant" singer's silver-and-fuchsia lurex jumpsuit was too bold for the 2018 GRAMMYs.

Once again, the red carpet queen made the best-dressed list, thanks to this black Dolce & Gabbana suit with floral detailing at the GRAMMYs.

The "Power" rapper's getup at the GRAMMYs would've been more appropriate for a Christmas celebration.

The This Is Us star was a babe in blue at the 2018 SAG Awards thanks to this custom cobalt embroidered sequin slip dress from the Ralph Lauren Collection.

The GLOW star is usually a winner on the red carpet, but this ruffled, powdered blue dress at the 2018 SAG Awards was a miss.

The Good Place actress and first-ever SAG Awards host made a statement in this bright pink J. Mendel gown embroidered with red floral embellishments. She polished off the look with jewels from Lorraine Schwartz and Platinum Jewelry.

Between the bell sleeves, black bows and sheer paneling, the Aussie actress' Philosophy di Lorenzo Serafini frock at the 2018 SAG Awards had too much going on.

The Grown-ish star wowed on the 2018 SAG Awards red carpet, rocking a custom strapless silk tuxedo jumpsuit from Ralph Lauren and a red lip color from Chanel.

The color of this 2018 SAG Awards dress wasn't the problem... it was all those ruffles.

The Oscar winner's sparkly Gucci dress and bright blue eyeliner stood out at the 2018 SAG Awards.

This loud Dior ensemble at the 2018 SAG Awards left us feeling dizzy instead of dazzled.

Before picking up her SAG Award for outstanding performance by a female actor in a TV movie or limited series, the Big Little Lies actress turned heads on the red carpet in this sequined Armani Prive number.

The Orange Is the New Black star had a fashion misstep at the 2018 SAG Awards in this oversized, pastel purple feather gown by Rami Kadi.

Looking dapper as ever, the This Is Us actor attended the 2018 SAG Awards in an all-black Yves Saint Laurent ensemble.

The GLOW star missed the mark in this sheer ensemble at the 2018 SAG Awards.

The Black-ish star looked wonderful in an all-white Ralph & Russo look at the 2018 SAG Awards.

The GLOW actress' Sachin & Babi number at the 2018 SAG Awards had proportions that were a bit out of whack, namely that oversized bow.

The Big Little Lies star was gorgeous in green at the 2018 SAG Awards in this stunning off-the-shoulder Zac Posen gown.