Blake Shelton Joking He's a "stalker" after attending Gwen Stefani's first 3 shows in Vegas

Blake Shelton knows how to show his love to his girlfriend

The 42-year-old country crooner took Monday on Twitter which makes him a devoted boyfriend to Gwen Stefani, who has just started his residency in Las Vegas .

"Up to here, @gwenstefani has given 3 concerts in Las Vegas.I've been 3 … #stalker," joked Shelton.

The pair, who have been together since 2015 after meeting on ] The Voice do not hesitate to express their love for each other on social networks. To celebrate her first show, the singer of "Hollaback Girl" shared sweet moments with her beautiful, including kissing photos and a bouquet with a sweet note that Shelton sent before the first show of his girlfriend.

AND met Stefani after her inaugural performance of Vegas, and she discussed her relationship, including what Shelton knew of the show before he saw it

"It's like my best friend, "Stefani told ET Keltie. Knight of his guy. "So, of course, he saw everything that was happening and just bouncing on him and things like that."

Although Shelton knew a lot about the 48-year-old pop star show, the last moments – where she struts on stage in a little cowgirl outfit – were a surprise to him. The former No Doubt member even called wearing the Shelton outfit "a fantasy" while she was on stage.

While both are clearly smitten, Stefani admits that she still has no immediate plans to move to the married phase. "I do not know, I do not have a future," she said about a wedding calendar. "All I know is that I am Have a lot to hope for. "

Here's more about their relationship: