Grammys 2013: The Biggest and Best Moments From the Show

USMagazine, Sunday, February 10, 2013, 8:40pm (PST)

The 2013 Grammy Awards brought show-stopping theatrics and vocals from Rihanna, fun., Kelly Clarkson, Carrie Underwood, and more -- but there were plenty of highlights between performances, too. Relive the biggest, buzziest moments from the 2013 Grammys below.

1. Taylor Swift Slams Ex-Boyfriend Harry Styles in Opening Number 

Sounds like someone's got a message for Harry Styles! Taylor Swift opened up the 2013 Grammy Awards in L.A. with a white-and-red circus-themed performance of her hit "We Are Never Ever Getting Back Together" -- and a dig at her British boy-bander ex.

PHOTOS: What the stars wore to the 2013 Grammys

2. Rihanna, Chris Brown Cuddle in Audience

Time heals all wounds, apparently. Four years after Chris Brown's assault of then-girlfriend Rihanna before the 2009 Grammys, the on-again couple returned to the awards show together. After walking the red carpet separately, the singers reunited inside Staples Center, where they happily cuddled in the audience.

3. Jennifer Lopez Flashes Leg Like Angelina Jolie 

J. Lo pulled an Angie! Jennifer Lopez channeled glamour goddess Angelina Jolie, circa the 2012 Oscars, when she showed up at the 2013 Grammys in a stunning, thigh-baring gown that tested the limits of CBS's pre-Grammys dress code memo.

PHOTOS: Most revealing Grammy dresses ever

4. Justin Timberlake Goes Retro in Return to Grammys Stage With Jay-Z

Back and better than ever! Justin Timberlake did not disappoint when he made his much-anticipated return to the Grammys stage. Joined by pal Jay-Z, the singer delivered a retro-tinged performance of his hit "Suit & Tie" and a new song, "Pusher Love Girl."

5. Lena Dunham Hugs Boyfriend Jack Antonoff After fun. Wins Song of the Year

Power couple! Lena Dunham showed her support -- and affection -- for boyfriend Jack Antonoff when his band, fun., won Song of the Year at the 2013 Grammy Awards.

PHOTOS: Stars' first Grammy appearances

6. Carrie Underwood Wears $31 Million in Jewels

"Blown Away" is right! Carrie Underwood's Grammys performance -- and technicolor gown -- wowed the crowd at L.A.'s Staples Center, but people were talking about her even before she took the stage. The reason? Her out-of-control bling, worth some $31 million.

Tell Us: What was your favorite moment of the night?

This article originally appeared on Usmagazine.com: Grammys 2013: The Biggest and Best Moments From the Show