Oscars fashion: Standouts on the red carpet

All about embellishment at the Oscars. Check the pearls on Lupita Nyong’o’s custom-made Francisco Costa for Calvin Klein gown.   (Left: Mark Ralston / AFP / Getty Images; Jordan Strauss / Invision / Associated Press)

Lady Gaga in a white Azzedine Alaia gown. She’s wearing gloves like Amal Clooney.  (Mike Nelson / EPA)

Marion Cotillard in a Dior gown. It’s pretty gorgeous.  ( Liz O. Baylen / Los Angeles Times)

David Oyelowo stands out out on the red carpet in a red shawl collar tuxedo with a red silk bow tie and red cummerbund.   (Wally Skalij / Los Angeles Times)

For the men, little things like the lapel choice stand out, like Adam Levine in an Armani two-button wool/cashmere tux with a shawl collar.  (Christopher Polk / Getty Images)

Cate Blanchett in Tiffany & Co. turquoise, aquamarine and diamond bib necklace.  (Frazer Harrison / Getty Images)

Rosamund Pike in Givenchy. With sheer waist-cinching details and rose-petal-like embroidery, this gown is a cut above other red-colored red carpet styles.  (Jason Merritt / Getty Images)

Benedict Cumberbatch shows how the white tux jacket is done.   (Christopher Polk / Getty Images)

The shawl collar -- traditionally the most formal lapel -- is killing it tonight.   (Jay L. Clendenin / Los Angeles Times; right: Kevork Djansezian / Getty Images)

Patricia Arquette is wearing a gown by childhood friend Rosetta Getty. They designed it together.   (Valeria Macon / AFP / Getty Images)