The singer surprises her duet partner with a thank you gift

Credit: Courtesy Carrie Underwood

What, you thought she was the sweet girl next-door type? Apparently Carrie Underwood has a bit of a wild side!

Just a week after Underwood, 31, and Miranda Lambert set the stage on fire with their duet of “Something Bad” on the Billboard Music Awards, Lambert, 30, surprised her good friend with a little thank you gift – a motorcycle!

On Sunday, Underwood Tweeted a photo of herself on her new bike, writing, “Well, it’s not every day @mirandalambert buys you a motorcycle! Next stop, motorcycle driving lessons!!! #RansTheBest”