BLAKE Shelton told Ellen DeGeneres he gained "117 pounds" in lockdown with Gwen Stefani.
The couple has reportedly been "struggling" as they try to plan their wedding after the pandemic.
, 44, appeared on ' talk show on Monday, where he talked about his new music video for Happy Anywhere, his duet with girlfriend , 50.
He also talked about the "scary" physical changes he's experienced as he hunkers down at home with his future wife.
He said: "I was like 'Oh my God, my hair is completely white! How have I not noticed this?'
"I'm on television all the time, I'm on a show, how do I not see that I look like a game show host all of a sudden?'
"So we ordered some Just For Men and we tried that for a while, and it had too much color, and she said, 'Let's do it right!' and I really liked it.
"I would have liked it better had I not gained 117 pounds during quarantine, so I thought it made me look younger but I was still just as fat.
"So now I'm trying to lose weight, I'm not opposed to having her color my hair if it makes her happy."
A week ago, Gwen opened up about her time with Blake during quarantine: "It's been pretty magical for Blake and I and the kids because we don't ever have that much solid time together.
"We did do a lot of fun stuff. We did a lot of cooking."
She added: "I learned how to make sourdough bread like everybody else. It took me like a month to get my starter right.
"We did so much stuff. We built a garden, we planed zinnias. We planted thousands of zinnia flowers. It was just like a lot of stuff you kind of dream about doing but you never have time to do."
The country singer also shared what filled up his time as he said: "This year because we were there, and there was so many (peaches), and there was nothing else to do, we got online and we learned how to make jam.
"And we made like cases of peach jam. I'll probably never do that again, but now I know how to do it."
Despite Gwen's kind words about her man, rumors have swirled that the pair is actually having a rough time in lockdown.
A source told that the duo feels ."
The insider said: "They’re both stretched to the limit.”
Gwen and Blake have been together for about five years, and even moved into a .
But nesting hasn't been a fairytale for the pair.
A source explained: “Friends say this move has turned into a nightmare. This is the toughest period they’ve had so far without a doubt."
It also seems like the two hitmakers apparently can't see eye to eye on major issues, according to Magazine.
A friend of Gwen claimed that the two are arguing about “."
Other sources close to the No Doubt lead added: "Gwen and Blake are totally different. A fish can fall in love with a bird, but where will they make a home?
“They are great when they are together alone but whenever they are around his friends or her friends, it never ends well.
“One of the reasons these two are still not married after five years together is because they can’t even agree if they should get married in his beloved Oklahoma or her hometown of Los Angeles.”
While Gwen and Blake have seemed to hit a rough patch, they are certainly keeping it quiet as the Hollaback singer took to her Instagram earlier this week to .
Gwen was previously married to Bush frontman Gavin Rossdale from 2002 to 2016.
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The former pair share three children: Kingston, 14, Zuma, 11, and Apollo, 6.
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Blake was married to singer Miranda Lambert in 2011 before they parted ways in 2015.
Blake and Gwen will return to judge alongside one another on the season 19 premiere of The Voice on October 19.