Gwen Stefani flashes her toned tummy wearing a bikini top and shorts on vacation with Blake Shelton

She's set to start a Las Vegas residency at the end of June.

So Gwen Stefani kicked up her feet to enjoy a little rest and relaxation in Oklahoma with her boyfriend Blake Shelton as she shared a few photos to her Instagram account on Tuesday afternoon.

The 48-year-old musician looked completely at ease showing off her toned tummy while her beau drove them off into the sunset on a boat.

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Holiday: Gwen Stefani kicked up her feet to enjoy a little rest and relaxation in Oklahoma with her boyfriend Blake Shelton as she shared a few photos to her Instagram account on Tuesday afternoon

Holiday: Gwen Stefani kicked up her feet to enjoy a little rest and relaxation in Oklahoma with her boyfriend Blake Shelton as she shared a few photos to her Instagram account on Tuesday afternoon

Gwen rocked a white collared shirt with tribal prints as she shared a few selfies from her laid-back vacation.

She sported an olive green bandeau top with fringe dangling down to her torso, paired with tiny denim shorts. 

In addition to a host of chunky wooden bead necklaces, smaller silver strands were wrapped around her neck with small studs positioned in her ears.  

Smiles: The 48-year-old musician looked completely at ease showing off her toned tummy while her beau drove them off into the sunset on a boat

Smiles: The 48-year-old musician looked completely at ease showing off her toned tummy while her beau drove them off into the sunset on a boat

At one point Gwen appeared to be riding shotgun on a boat being driven by tie-dye clad beau Blake Shelton.

Her platinum blonde tresses were tied up into a tight top bun and she seemed to be relatively makeup-free for the afternoon excursion. 

With a splattering of hashtags written in the caption, Gwen made sure to praise her lover, writing, 'thank u for sharing your world.' 

The happy couple recently celebrated Blake's birthday on Monday, with Gwen declaring 'love u' on Instagram. 

Beauty: Her platinum blonde tresses were tied up into a tight top bun and she seemed to be relatively makeup-free for the afternoon excursion

Beauty: Her platinum blonde tresses were tied up into a tight top bun and she seemed to be relatively makeup-free for the afternoon excursion

The singing superstar kicks off for her 25-date Gwen Stefani - Just a Girl run at the Zappos Theater at Planet Hollywood Resort and Casino on June 27. 

Fans can catch a glimpse of the No Doubt lead singer throughout the summer with 12 shows slated through July before she takes a break and resumes her concert series in December.

Blake and Gwen sparked dating rumors after the couple were spotted getting flirty on the set of their show The Voice, and finally confirmed their romance in November 2015. 

Gwen was previously married to Gavin Rossdale for 12 years, and the pair share co-parenting responsibilities of their three children - Kingston, 10, Zuma, eight, and Apollo, two.

Blake was previously married to country singer Miranda Lambert for four years before the couple split in early 2015. 

Sweet: The happy couple recently celebrated Blake's birthday on Monday, with Gwen declaring 'love u' on Instagram

Sweet: The happy couple recently celebrated Blake's birthday on Monday, with Gwen declaring 'love u' on Instagram

 

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Gwen Stefani wears a bikini top and shorts on vacation with Blake Shelton

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