Katy Perry has a space-age bauble on her stomach, and she likes it! The popstress donned a wearable art installation for the Grammys.

Miley Cyrus is an adorable 16-year-old with just a hint of adulthood about her that demands sophisticated frocks and elegant up-dos. Yet, the swaths of black fabric she wore to the Grammys were more funereal than celebratory. Was she mourning her lack of nominations?

Nominee Jason Mraz looks dapper as he flashes a smile for the cameras. But Jason, can't we lose that hat for one night?

The men of Kings of Leon all look a little bit confused by the picture taking on the Grammy Awards red carpet.

In contrast to some other young, female stars (see: Miley Cyrus) Taylor Swift uses flowing, black fabric to her advantage with an elegant, empire-waist cut and delicate straps.

A very pregnant M.I.A. shows up at the Grammys, even though it is her due date. That's dedication, folks.

Snoop Dogg and Shante Broadus walk the red carpet. Good thing he has those awesome shades to shield his eyes from the flashing cameras.

Zooey Deschanel is cute as a button, but this outfit shouldn't have left the closet. We know it's the Grammys, but still...

Sheryl Crow channels her inner diva in a blue satin gown at the Grammys. But all we want to do is pin some of that draped fabric back so she can make the most of her curves and have some fun.

Adele's green and black getup doesn't please the eyes nearly as much as her soulful tunes please our ears.

Trace Adkins works the classy cowboy look. The Donald must have taught him well on The Celebrity Apprentice.

There's a mermaid gown at every awards show, and Kate Beckinsale is the unfortunate wearer of this flowy black get-up.

Are Kim Kardashian and Katy Perry sharing a stylist? The reality star sports a Sputnik-era, taffeta creation across her chest, much like that of the one-hit wonder. Kardashian's style is slowly taking a turn for the classy — but it's all about baby steps.

Finally, Audrina Patridge has bid her oft-trashy Hills style adieu and embraces her classier side. The reality star hit it out of the Grammys red-carpet park with a loose, strapless number and a 1940s-inspired coif.

Paula Abdul adds some color to the carpet in this yellow gown. Too bad it looks like a Grammy exploded on her shoulder.

Joey Fatone and Lisa Rinna pose together on the carpet before hosting TV Guide Network's Grammys red-carpet pre-show.

Justin Guarini spiffs up for music's annual kudosfest in a grey pinstripe suit and his signature curls. We like his relaxed style and dash of sass.

Jay Mohr and Nikki Cox arrive on the Grammys carpet with wildly different approaches: He with a business-meeting style suit, and she with a boudoir-inspired, less-is-less "dress." This is one Hollywood couple that doesn't coordinate before a night out.

Barry Manilow pauses for the photogs on the red carpet. Anyone wanna guess what his favorite color is?

Kimberly Caldwell sexes it up with a white-hot, silver lamé dress that reveals just enough — and likely requires a little double-sided tape. Paired with trendy, cut-out heels and a choppy 'do, the former Idol hopeful is a rock star in her own right.