This seemed like the end-all, be-all of grown-up dressing at the time.

See the standout hair and makeup moments from the evening.

See all the show-stopping fashion moments from Sunday night in one place.

There were a lot of memorable fashion moments this year — and they set a a new standard for the red carpet in the new decade.

From Cardi B to Michelle Obama, stars took some risks that paid off.

These are the beauty moments that stole the show on the red carpet.

See all the show-stopping fashion moments from Sunday night in one place.

Beyoncé, Jay and Blue Ivy hit the Grammys. Rumi and Sir stayed home.

These were the stand-out hair and makeup moments from the red carpet.

Surprise!

Gang's all here, from Adele in Givenchy to Rihanna in Armani Privé.

She went very literal with the theme.

Stars took major hair and makeup risks on music's biggest night.

See all the fashion moments from Sunday night in one place.

The gowns, capes and jumpsuits that stole our hearts from the Golden Globes to the Oscars.

Moral of the story: Musicians sure do love to dress up.

It's not every night we get to watch Adele belt out "All I Ask" in a custom Givenchy gown.

Because cute male musicians in suits deserve your attention.

With a custom-made look and fiery red hair.

Get ready for some showstopping (and mind-boggling) ensembles.

Oh, and she wore custom Armani on the red carpet. NBD.

She's not upset that you think it looks like challah.

And her Kate Moss Grammys moment. (Plus bonus makeup information!)

1) A loaf of bread. 2) The catering staff of "Party Down."