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Gwen Stefani, Blake Shelton

Fresh/INFphoto.com

Gwen Stefani and Blake Shelton are really cute together.

Shortly after seeing exclusive photos of the duo engaging in a PDA-filled date night, new pictures of The Voice couple surfaced showing the pair laughing over something that's obviously hilarious while driving in the car together over to Gwen's house.

Perhaps Shelton said something that was absolutely hysterical, or maybe they're smiling over how much better Stefani looks in that camouflage hat than Blake (no offense, Shelton)?

Either way, it's pretty darn adorable.

Gwen Stefani, Blake Shelton

Fresh/INFphoto.com

The pair dined at Casa Vega Mexican restaurant in Studio City, Calif., on Tuesday night and simply couldn't keep their hands off each other. A source told us, "They were there with another couple and were waiting for valet for about five minutes. He kissed her twice and was pretty much grabbing her butt as he did."

The insider also added that while they waited, "He was square dancing to amuse the group, and Gwen joined in for a bit, too."

While the two have been photographed looking cozy several times, they have remained coy when asked about their love lives. E! News confirmed they were dating in November, months after Shelton divorced Miranda Lambert, 32, and Stefani filed papers to end her own marriage to Gavin Rossdale, 50.

A source close to Gwen told E! News last month that this relationship is definitely getting serious. In addition to reporting that they're "extremely happy" together, the insider said, "Many of Gwen's friends love how happy she has been over these past few months, and they believe she found love again."