Gwen Stefani Teases Billboard Music Awards Performance With Blake Shelton

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Gwen Stefani is ready to rock the 2016 Billboard Music Awards!

The 46-year-old singer will be performing "Go Ahead and Break My Heart" with her boyfriend, Blake Shelton, on Sunday at the T-Mobile Arena in Las Vegas. Ahead of the awards show, Stefani gave her fans a sneak peek look at how the two are gearing up for the star-studded night.

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The No Doubt frontwoman first began sharing pics and videos over Snapchat on Friday, kicking things off with a video of Shelton, 39, singing while on a plane.

Once they landed, they grabbed a quick bite to eat at a sushi restaurant before heading to rehearsals. Stefani shared a short snippet of her beau singing, as well as a sneak peek look at the stage.

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The blond beauty kept her rehearsal look casual, simply donning a black turtleneck and pulling her hair back into a high ponytail. While Shelton was rehearsing his verses from the duet, Stefani kept herself busy by snapping pics with the crew inside the venue -- which just so happened to have the seating cards in the background.

Stefani will be sitting just two few seats away from fellow rocker, P!nk.

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The "Misery" singer couldn't seem to take her eyes off her boyfriend during rehearsals, snapping multiple pics of him in action.

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"I'm just sitting back here by myself," she said into the camera, explaining the reason for her silly posts. "Everybody's out there."

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Once rehearsals wrapped, the pair got into a car and drove to a Mexican restaurant for dinner, where they celebrated Shelton's latest album, If I'm Honest, going No. 1 on the iTunes charts with margaritas and "melted cheese and chips."

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On Saturday, the adorable duo also enjoyed a pre-BBMAs golf session at the brand new Top Golf Las Vegas location, where Stefani shared videos of her country crooner teeing off.

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Her brother, Todd, was there, too, and she hilariously tried to photobomb him as he snapped a pic with Shelton.

As we patiently wait for the BBMAs to kick off Sunday at 8 p.m. ET on ABC, watch the video below to hear more on Stefani and Shelton's first-ever country duet.