First we noticed how colorful the Emmys red carpet looked — the stars were twirling in their vibrant designs and showing off a rainbow of sequins. Then we saw Maggie Gyllenhaal's purple full-skirted gown and had to do a double take. Was that Anna from Frozen?! And when January Jones turned to the side and flashed a starfish brooch on her teal jumpsuit, reminiscent of Ariel's ensemble, well, we were convinced — Disney princess dresses were the biggest trend of the night.
Read on to see which characters showed up to the party. Spoiler: some of the villains even made an appearance!
The actress wore a stunning two-tone Oscar de la Renta design that featured the same colors as Anna's outfit.
January Jones completed her bold Ulyana Sergeenko jumpsuit, which was complete with a sweetheart neckline and skirt overlay, with a starfish brooch.
The Mad Men actress looked playful and sophisticated all at once in her Christian Dior Couture look.
The actress's glittering baby-blue gown looked just like Cinderella's dress — especially that satin train!
Teyonah brought on the polka dots in this ruffled floor-sweeping dress.
The structure of Lady Gaga's avant-garde Spring '16 Brandon Maxwell dress totally reminded us of Maleficent’s dramatic look. She finished her outfit with Lorraine Schwartz jewels.
Laverne Cox completed her Calvin Klein dress with Stuart Weitzman heels and Fred Leighton jewels.
Jaimie Alexander's sparkling Armani Privé long-sleeved dress was complete with Baccarat jewels.
Claire Danes wore a shimmering Prada dress, complete with chains at the sides — it was the modern update to Rapunzel's lace-up bodice!
Tracee Ellis Ross stunned in this satin strapless pink gown. Her regal box clutch and cuff made a statement just like Sleeping Beauty's crown.