Alexis Denisof and Alyson Hannigan at the Television Academy’s Performers Peer Group Celebration in August 2018.Photo:JB Lacroix/WireImage

Alexis Denisof and Alyson Hannigan attend the Television Academy’s Performers Peer Group Celebration at NeueHouse Hollywood in 2018

JB Lacroix/WireImage

Alyson Hanniganand Alexis Denisof have Buffy Summers to thank for their 20-year marriage.

The couple met on the set ofBuffy the Vampire Slayerin the late ’90s— Hannigan famously starred as the witch Willow and Denisof played the watcher Westley Wyndam-Price. Hannigan once said it was “flirtation at first sight.”

Denisof and Hannigan wed in 2003. However, the actress didn’t always think she was the marrying type.

“It wasn’t an important thing for me until I met Alexis,” she toldMovieholewhile promotingAmerican Weddingjust before her own nuptials. “I love just exploring us together and I know he’s the one for me. I was just instantly attracted to him and we were friends for a year and a half before we dated, which I recommend."

The pair went on to welcome two children: daughters Satyana Marie and Keeva Jane.

Here’s everything to know about Alyson Hannigan and Alexis Denisof’s relationship.

Hannigan and Denisof met on set

Alyson Hannigan and Alexis Denisof at the 2001 TV Guide Awards

Vince Bucci/Newsmakers

They may have nearly two decades of marriage under their belts, but it wasn’t smooth sailing initially. Speaking withThe Sunin April 2012, Hannigan revealed that she tried to pursue a relationship with Denisof when they first crossed paths on the set ofBuffy the Vampire Slayerin 1997, but “he didn’t want to date somebody he was working with.”

Still, that wouldn’t be the end of them. After they “developed a great friendship,” Hannigan dated a different person, and it was then that Denisof brought up his feelings.

“He then said he didn’t like that. But when my new relationship ran its course, the whole thing suddenly changed and Alex and I started to really care about each other,” she said.

Hannigan and Denisof began dating in 1999.

They got engaged in 2001

Alyson Hannigan and Alexis Denisof at Comedy Central’s First Annual Commie Awards.Gregg DeGuire/WireImage

Alyson Hannigan and Alexis Denisof at Comedy Central’s First Annual Commie Awards

Gregg DeGuire/WireImage

Denisof proposed to Hannigan in December 2001, after about two years of dating.

According to the actress, she had an open mind about when the relationship milestone would happen.

“My mom, Emilie, always taught me to think hard about marriage … she said: ‘Take your time,’ " she toldThe Sun. “I took my mom’s advice and thought really hard about the whole thing — and didn’t marry until I was nearly 30.”

When it did happen, though, Denisof’s timing was a little off. Speaking with PEOPLE in August 2012, Hannigan recalled them driving up to her “mom’s house for Christmas.” While on the road trip, which led them through Sonoma and Napa in California, they stopped at a lake to eat.

“I’m swallowing the food, and then he just started saying these beautiful, wonderful things,” she said. “The whole time I am getting kind of frustrated, like, ‘Why does he always do this? He says the most romantic things and it would be the perfect way to propose and then he doesn’t propose.’ ”

Despite thinking it was a false alarm, she was wrong. “But I knew he meant it because he had a ring,” the actress concluded.

They got married in 2003

‘How I Met Your Mother ' star Alyson Hannigan and ‘Guardians of the Galaxy’ actor Alexis Denisof.Alyson Hannigan Instagram

Alyson Hannigan and Alexis Denisof

Alyson Hannigan Instagram

Hannigan and Denisof tied the knot on Oct. 11, 2003, at the Two Bunch Palms resort near Palm Springs, California.

Hannigan wore a slim-fitting Badgley Mischka satin gown made of Chantilly lace with delicate cap sleeves and left her hair long and loose under her veil. The nuptials were said to be a three-day celebration.

Of herAmerican PieandAmerican Weddingcastmates, onlyJanuary Jonesmade the cut. Two months later, Hannigan toldEntertainment Weeklythat the ceremony was “very small” and her on-screen husbandJason Biggs“gave me hell” for not snagging an invite.

In October 2023, the couplecelebrated 20 years of marriage.

“It really feels like an accomplishment.I’m so proud of us,” Hannigan told PEOPLE. “The fact that we’re so happy now and that I love him even more than I did then is so awesome. We’re so, so lucky we found each other.”

They have two children

Alyson Hannigan and Alexis Denisof with their kids, Satyana and Keeva, at a red carpet event in June 2019.Michael Tran/FilmMagic

Alyson Hannigan and Alexis Denisof with their kids, Satyana and Keeva, at the Los Angeles premiere of ‘Toy Story 4’

Michael Tran/FilmMagic

Satyana also joined her mom on the set ofHow I Met Your Motherwhen she was only four months old.

Their second daughter, Keeva Jane Denisof, was born on May 23, 2012. Speaking with PEOPLE the following year, Hannigan described herself and her husband as a “really good team” in their busy household.

“Alexis is an amazing father, he really is,” she shared, adding that they split mealtime duties. “I am definitely a better lunch maker. I am a better baker, but he is definitely better at dinners.”

Hannigan and Denisof renewed their vows in 2013

Alyson Hannigan and Alexis Denisof at the 65th Annual Primetime Emmy Awards in September 2013.Jeffrey Mayer/WireImage

Alyson Hannigan and Alexis Denisof at the 65th Annual Primetime Emmy Awards

Jeffrey Mayer/WireImage

To mark their 10-year anniversary, Denisof re-proposed to his wife with a new diamond ring in July 2013.

She added: “And now we get to have our kids at this ceremony :) It’ll be shorter. We’ll get to the cake sooner! YAY renewal!!!”

According toE! Online, the gesture prompted the pair to renew their vows in Hawaii at a sunrise ceremony in October 2013. During an appearance onThe Viewbeforehand, Hannigan revealed that Satyana and Keeva would be her flower girl and maid-of-honor.

Their Los Angeles home appeared in the final season ofThis Is Us

Alyson Hannigan and Alexis Denisof take a selfie on a beach.Alyson Hannigan Instagram

Alyson Hannigan and Alexis Denisof

The couple’s former Los Angeles residence was the setting for the final season ofThis Is Us.

According to Hannigan, they’d been inundated with requests to use the house, which they originally purchased in 2016, as a set. The actors knew what productions could do to locations, and they initially shut down the idea, saying, “‘We will never do that.’ "

Eventually, she acquiesced to requests for the popular NBC drama show, in part because the director was a neighbor. The crew also fixed up the house, leaving it in better condition than they found it.

“They fixed damage that I had done,” Hannigan recounted on SiriusXM’sThe Michelle Collins Showin October 2021. “We’ve got a lot of wood … [and] you can’t tape anything to it or it takes some of the stain off and I didn’t know that on my first Halloween and I taped to this beautiful door.”

“I forever see like little tape marks. No, they fixed that too! I was like ‘You guys!’ " she concluded.

According to theLos Angeles Times, the couple have since sold the house.

Denisof is supportive of Hannigan tapingDancing With the Stars

Vivien Killilea/Getty

Alyson Hannigan and Alexis Denisof attend Park Elm at Century Plaza launch event on October 05, 2023 in Los Angeles, California

While chatting with PEOPLE in October 2023, Hannigan gushed about her supportive husband and recognized the sacrifices made so that she could appear onDancing With the Stars.

“He’s been so supportive and I’m not surprised, but I’m super appreciative,” she said. “He is that guy. He’s always been a hands-on dad and he’s made so many sacrifices for us. But just the support and in every single way … I’m home, but I’m lying on the couch, kind of like, ugh. And he’s everything. He cooks, [he] gets me ice. It’s amazing.”

source: people.com