Gwen Stefani Rocks Blake Shelton's Hat After PDA-Filled Date Night

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Gwen Stefani is always surprising us with her ever-changing looks, but her newest selfie shows off a brand new side to her quirky style.

The 46-year-old took to Instagram on Wednesday to share a fresh-faced snap of herself wearing boyfriend Blake Shelton's camouflage cap with black glasses.

WATCH: Blake Shelton Affectionately Bites Gwen Stefani in PDA-Filled Selfie

"#goodmorning gx," she simply captioned the photo.

We have to admit, we kind of dig the new look, as it's a huge change from her normally edgy, rocker chic ensembles. Perhaps she should steal from her cowboy's closet more often -- that's one of the perks of having a boyfriend, after all!

A few hours later, however, Stefani was already back to her own signature style, snapping another selfie from her makeup chair backstage at The Voice.

WATCH: Gwen Stefani Calls Blake Shelton the 'Michael Jackson' of County Music

Following the taping of the singing competition show one night earlier, Stefani and her beau -- who've been dating since November -- had a romantic date night in Studio City, California. The No Doubt frontwoman and 39-year-old country crooner ate dinner at Casa Vega Mexican restaurant, where they were photographed kissing and laughing throughout the night.

This isn't the first time we've seen major PDA from the lovebirds, however. Earlier this week, Stefani shared an adorable photo from The Voice stage with Shelton playfully biting his girlfriend's shoulder as fellow coaches Pharrell Williams and Adam Levine peer out behind them.

WATCH: Gwen Stefani and Blake Shelton Playfully Dodge Dating Questions

Just when we thought they couldn't be any cuter, they prove us wrong once again. Watch the video below to hear more.