Eva Longoria Stuns on the SAG Awards Red Carpet in Super Revealing, Low-Cut Dress

'I have to show off the back because it's amazing,' the 40-year-old star gushed to ET.

Eva Longoria
absolutely stunned on the Screen Actors Guild red carpet.

The Telenovela star, 40, showed off all her assets in a super sexy, low-cut Julien Macdonald dress on Saturday.

Getty Images

While the front of the dress is absolutely gorgeous, wait until you see the back.

PICS: See What the Stars Are Wearing on the SAG Awards Red Carpet

Getty Images


WATCH: See Eva Longoria's Gorgeous Ruby Engagement Ring!

Longoria stopped by to chat with ET's Cameron Mathison about her show-stopping look and the red-carpet pro was already one step ahead!

"I have to show off the back because it's amazing," marveled the newly-engaged actress, glistening in Lorraine Schwartz earrings.

"It has all these beads, so I keep playing with the beads. It's like a music instrument," Longoria said. "It's like a perk of the dress!"

WATCH: Eva Longoria Reveals All About Jose Antonio Baston's 'Romantic' Proposal

Longoria and Mexican businessman Jose Antonio Baston got engaged in December, and the former Desperate Housewives star was telling all about the "romantic" proposal.

"He was awesome and amazing," she told ET at the Golden Globes of the memorable night in Dubai. "He did the whole thing. He had been planning for, like, six months! ... He had to rehearse some stuff that happened, so it was memorable."

Longoria confessed that she did cry in the moment, but not for the reason you might think.

"I cried with laughter," she revealed. "I was laughing so hard and then it turned into a cry. ... I don't know, I laugh when I get nervous. It was a lot of fun."