President Trump and Melania mark 15th wedding anniversary: A look back at their star-studded nuptials

President Trump and first lady Melania Trump marked their 15th wedding anniversary on Jan 22.

And although neither marked the milestone on social media, the White House did pay tribute to the first couple on Instagram by sharing a snapshot of the two dancing to violinists in the building's Great Hall.

"Happy 15th anniversary, President @realdonaldtrump and @flotus!," the caption read. 

The two first met at a party thrown by mutual friend Paolo Zampolli in September 1998 for New York Fashion Week, right before the real estate mogul had finalized his divorce from his second wife, Marla Maples. Trump reportedly asked for her number, but she refused. 

"I knew who he was, and I said, ‘Give me your number, and I'll call you back," she responded. 

"If he gave me just his office number, that would show he's not very serious," Melania continued, according to The New York Post. "It shows how a man sees a woman, and how he treats a woman."

22 PHOTOS
Melania and Donald Trump's 2005 wedding
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Melania and Donald Trump's 2005 wedding
Donald Trump's fiance Melania Knauss, center, walks out of the Episcopal Church of Bethesda by the Sea, after her wedding rehearsal Friday, Jan. 21, 2005, in West Palm Beach, Fla. The wedding will be held on Saturday, Jan. 22, 2005. (AP Photo/Alan Diaz)
Donald Trump's new bride, Slovenian model Melanai Knauss, waves as they leave the Bethesda-by-the-Sea Episcopal Church after her wedding to Donald in Palm Beach, Florida, January 22, 2005. REUTERS/Gary I Rothstein MS/SV
Workers decorate the main entrance of the Episcopal Church of Bethesda by the Sea where Donald Trump and Melania Knauss will be married, Saturday, Jan. 22, 2005, in Palm Beach, Fla. (AP Photo/Alan Diaz)
Former New York City Mayor Rudolph Giuliani, right, leaves the Episcopal Church of Bethesda by the Sea where Donald Trump and Melania Knauss were married, Saturday, Jan. 22, 2005, in Palm Beach, Fla. (AP Photo/Alan Diaz)
Matt Lauer of the "Today" show arrives at the Episcopal Church of Bethesda by the Sea where Donald Trump and Melania Knauss will be married, Saturday, Jan. 22, 2005, in Palm Beach, Fla. (AP Photo/Yesikka Vivancos)
UNITED STATES - JANUARY 22: Photographers snap pictures as a beaming Melania Knauss and new husband Donald Trump (face obscured) leave the Episcopal Church of Bethesda-by-the-Sea in Palm Beach, Fla., after their star-studded wedding ceremony. The Slovenian model is the billionaire's third wife. (Photo by John Roca/NY Daily News Archive via Getty Images)
George Ross, co-star on "The Apprentice" arrives at the Episcopal Church of Bethesda by the Sea where Donald Trump and Melania Knauss will be married, Saturday, Jan. 22, 2005, in Palm Beach, Fla. (AP Photo/Yesikka Vivancos)
Billy Joel arrives at the Episcopal Church of Bethesda by the Sea where Donald Trump and Melania Knauss will be married, Saturday, Jan. 22, 2005, in Palm Beach, Fla. (AP Photo/Yesikka Vivancos)
Pat O'Brien, right, arrives with an unidentified woman at the Episcopal Church of Bethesda by the Sea where Donald Trump and Melania Knauss will be married, Saturday, Jan. 22, 2005, in Palm Beach, Fla. (AP Photo/Yesikka Vivancos)
Super model Heidi Klum waves to members of the media at the Episcopal Church of Bethesda by the Sea where Donald Trump and Melania Knauss were married, Saturday, Jan. 22, 2005, in West Palm Beach, Fla. (AP Photo/Yesikka Vivancos)
Simon Cowell, right, of "American Idol" arrives with Terri Seymour at the Episcopal Church of Bethesda by the Sea where Donald Trump and Melania Knauss were married, Saturday, Jan. 22, 2005, in West Palm Beach, Fla. (AP Photo/Yesikka Vivancos)
Boxing promotor Don King leaves the Episcopal Church of Bethesda by the Sea where Donald Trump and Melania Knauss were married, Saturday, Jan. 22, 2005, in Palm Beach, Fla. (AP Photo/Alan Diaz)
UNITED STATES - JANUARY 22: Kathie Lee Gifford waves as she arrives at the Episcopal Church of Bethesda-by-the-Sea in Palm Beach, Fla., to attend the wedding of billionaire Donald Trump and Slovenian model Melania Knauss. (Photo by John Roca/NY Daily News Archive via Getty Images)
UNITED STATES - JANUARY 22: Former President Bill Clinton greets well-wishers after getting off a plane at Palm Beach International Airport in West Palm Beach, Fla. Clinton's in town to attend the wedding of billionaire Donald Trump and Slovenian model Melania Knauss. (Photo by John Roca/NY Daily News Archive via Getty Images)
UNITED STATES - JANUARY 22: Billy Joel and wife Kate Lee Joel arrive at the Episcopal Church of Bethesda-by-the-Sea in Palm Beach, Fla., to attend the wedding of billionaire Donald Trump and Slovenian model Melania Knauss. (Photo by John Roca/NY Daily News Archive via Getty Images)
UNITED STATES - JANUARY 22: Russell Simmons and wife Kimora Lee Simmons arrive at the Episcopal Church of Bethesda-by-the-Sea in Palm Beach, Fla., for the wedding of billionaire Donald Trump and Slovenian model Melania Knauss. (Photo by John Roca/NY Daily News Archive via Getty Images)
ABC journalist Barbara Walters waves as she arrives at the Bethesda-by-the-Sea Episcopal Church for the wedding of Donald Trump to Slovenian model Melania Knauss in Palm Beach, Florida, January 22, 2005. REUTERS/Marc Serota REUTERS MS/SV
UNITED STATES - JANUARY 22: Kathy Hilton blows a kiss as she and husband Rick Hilton arrive at the Episcopal Church of Bethesda-by-the-Sea in Palm Beach, Fla., to attend the wedding of billionaire Donald Trump and Slovenian model Melania Knauss. (Photo by John Roca/NY Daily News Archive via Getty Images)
UNITED STATES - JANUARY 22: Katie Couric waves as she arrives at the Episcopal Church of Bethesda-by-the-Sea in Palm Beach, Fla., for the wedding of billionaire Donald Trump and Slovenian model Melania Knauss. (Photo by John Roca/NY Daily News Archive via Getty Images)
UNITED STATES - JANUARY 22: Wedding guests, including Billy Joel (lower right) and wife Kate Lee Joel (in pink and yellow dress), leave the Episcopal Church of Bethesda-by-the-Sea in Palm Beach, Fla., after the wedding of billionaire Donald Trump and Slovenian model Melania Knauss. (Photo by John Roca/NY Daily News Archive via Getty Images)
Singer Tony Bennett arrives at the Bethesda-by-the-Sea Episcopal Church for the wedding of Donald Trump to Slovenian model Melania Knauss in Palm Beach, Florida, January 22, 2005. REUTERS/Marc Serota MS
Kelly Ripa arrives at the Bethesda-by-the-Sea Episcopal Church for the wedding of Donald Trump to Slovenian model Melania Knauss in Palm Beach, Florida, January 22, 2005. REUTERS/Marc Serota MS
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After a few rocky breakups, Trump proposed to Melania at the 2004 Met Gala with a 12-carat ring that was reportedly valued at $1.5 million dollars.

"It was a great surprise. We are very happy together," the former model, then 33, told reporters. 

Echoed Trump: "We've had a great relationship. We've been together for five years and it was really time."

The couple tied the knot in a very high-profile wedding in January 2005, held at Episcopal Church of Bethesda by the Sea in Palm Beach. Melania reportedly wore a $100,000 gown designed by Dior for the ceremony, which included over 550 hours of embroidery. She later changed into a body-hugging Vera Wang gown for the celebrations. 

Katie Couric, Heidi Klum, Mayor Rudy Giuliani, Matt Lauer, Billy Joel and Kelly Ripa, as well as Bill and Hillary Clinton, were among the 500 guests at the star-studded nuptials. The reception, of course, was held at Trump's Mar-a-Lago resort, with Elton John and Tony Bennett serenading the couple over the course of the evening.  

“If I didn’t have a great woman, I would be much more nervous," Trump told People at the time. “I think it will be very successful.”

32 PHOTOS
Donald and Melania Trump through the years
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Donald and Melania Trump through the years
Real estate magnate Donald Trump (L) and his girlfriend Melania Knauss leave Hollinger International's annual meeting at the Metropolitan Club in New York on May 22, 2003. Hollinger publishes The Chicago Sun-Times, The Daily Telegraph of London, the Jerusalem Post and other newspapers. REUTERS/Peter Morgan PM/ME
Donald Trump and his girlfriend Melania Knauss arrive at the Vanity Fair Oscar party at Morton's restaurant in West Hollywood, California, February 29, 2004. REUTERS/Ethan Miller REUTERS EM/AS
Real estate tycoon Donald Trump and his friend Melania Knauss pose for photographers as they arrive at the New York premiere of Star Wars Episode I: "The Phantom Menace," May 16. JC/SV/AA
From left, Billy Crystal, host of the 76th annual Academy Awards, his wife Janice Goldfinger, Melania Knauss and her boyfriend Donald Trump, pose together as they leave the Vanity Fair Oscar party at Morton's restaurant in West Hollywood, California, early March 1, 2004. REUTERS/Ethan Miller EM
Developer Donald Trump (R) and his girlfriend Melania Knauss pose for photographers after the final show of "The Apprentice" April 15, 2004 in New York. Bill Rancic, a 32-year-old Internet entrepreneur from Chicago, edged out Kwame Jackson, a 29-year-old New Yorker and Harvard MBA, for the Trump-described "dream job of a lifetime" and its $250,000 salary. REUTERS/Jeff Christensen JC
Donald Trump's new bride, Slovenian model Melania Knauss, waves as they leave the Bethesda-by-the-Sea Episcopal Church after their wedding in Palm Beach, Florida, January 22, 2005. REUTERS/Gary I Rothstein
Sean 'P. Diddy' Combs (R) accepts an award from the Rush Philanthropic Foundation for his efforts to support public education and dedication to youth and social activism, from Donald Trump and his wife Melania (L) at Trump's Trumps Mar-A-Lago Club in Palm Beach, Florida on March 11, 2005. REUTERS/Jason Arnold MS
Donald Trump and his wife Melania Kanauss watch the Miami Heat play the New York Knicks in the first quarter of their NBA game in New York's Madison Square Garden, March 15, 2005. REUTERS/Ray Stubblebine RFS
Donald Trump (L) and his wife Melania arrive at the Museum of Modern Art for a reception in honor of Britain's Prince Charles and his wife Camilla, Duchess of Cornwall, in New York November 1, 2005. The Royals are on the first day of an eight-day visit to the U.S. REUTERS/Gary Hershorn
Donald Trump arrives with wife Melania at a reception in honor of Britain's Prince Charles and Camilla, Duchess of Cornwall, at The Museum of Modern Art in New York, November 1, 2005. REUTERS/Brendan McDermid
Donald Trump (L) and his wife Melania (R) arrive at the Museum of Modern Art for a reception in honor of Britain's Prince Charles and his wife Camilla, Duchess of Cornwall, in New York, November 1, 2005. The royals are on the first day of an eight-day visit to the U.S. REUTERS/Gary Hershorn
Real estate tycoon Donald Trump and his wife Melania attend a Miami Heat against the Los Angeles Lakers NBA game on Christmas Day in Miami, Florida, December 25, 2005. REUTERS/Marc Serota
Donald Trump stands next to his wife Melania and their son Barron before he received a star on the Hollywood Walk of Fame in Los Angeles January 16, 2007. REUTERS/Chris Pizzello (UNITED STATES)
Real estate magnate and television personality Donald Trump and his wife Melania stand on the red carpet at the Metropolitan Museum of Art Costume Institute Benefit celebrating the opening of the exhibition "Alexander McQueen: Savage Beauty" in New York May 2, 2011. REUTERS/Mike Segar (UNITED STATES - Tags: ENTERTAINMENT FASHION BUSINESS)
Businessman and real estate developer Donald Trump and his wife Melania watch Rafael Nadal of Spain play against Tommy Robredo during their men's quarter-final match at the U.S. Open tennis championships in New York September 4, 2013. REUTERS/Adam Hunger (UNITED STATES - Tags: SPORT TENNIS ENTERTAINMENT REAL ESTATE BUSINESS)
U.S. Republican presidential candidate Donald Trump (2nd from L) watches with his wife Melania as Serena Williams of the U.S. plays against her sister and compatriot Venus Williams in their quarterfinals match at the U.S. Open Championships tennis tournament in New York, September 8, 2015. REUTERS/Lucas Jackson
U.S. Republican presidential candidate Donald Trump kisses his wife Melania as he speaks at a campaign rally on caucus day in Waterloo, Iowa February 1, 2016. REUTERS/Rick Wilking
U.S. Republican presidential candidate Donald Trump speaks as his wife Melania listens at a campaign rally on caucus day in Waterloo, Iowa February 1, 2016. REUTERS/Rick Wilking
U.S. Republican presidential candidate Donald Trump reacts to an answer his wife Melania gives during an interview on NBC's 'Today' show in New York, U.S. April 21, 2016. REUTERS/Brendan McDermid
Melania Trump gestures at her husband Republican U.S. presidential candidate Donald Trump as they leave the stage, after she concluded her remarks at the Republican National Convention in Cleveland, Ohio, U.S. July 18, 2016. REUTERS/Mike Segar TPX IMAGES OF THE DAY
Melania Trump appears on stage after U.S. Republican presidential nominee Donald Trump speech at the Republican National Convention in Cleveland, Ohio, U.S. July 21, 2016. REUTERS/Mike Segar
Republican U.S. presidential nominee Donald Trump greets his wife Melania onstage after the conclusion of his first debate with Democratic U.S. presidential nominee Hillary Clinton at Hofstra University in Hempstead, New York, U.S., September 26, 2016. REUTERS/Joe Raedle/Pool
(L-R) Donald Trump Jr., Eric Trump, Republican U.S. presidential nominee Donald Trump, Melania Trump, Tiffany Trump and Ivanka Trump attend an official ribbon cutting ceremony at the new Trump International Hotel in Washington U.S., October 26, 2016. REUTERS/Gary Cameron TPX IMAGES OF THE DAY
Republican presidential nominee Donald Trump cuts the ribbon at his new Trump International hotel in Washington, DC, U.S., October 26 2016. REUTERS/Carlo Allegri
Republican presidential nominee Donald Trump kisses his wife Melania Trump at a campaign rally in Wilmington, North Carolina Florida, U.S. November 5, 2016. REUTERS/Carlo Allegri TPX IMAGES OF THE DAY
Republican U.S. President-elect Donald Trump kisses his wife Melania at his election night rally in Manhattan, New York, U.S., November 9, 2016. REUTERS/Jonathan Ernst
U.S. President-elect Donald Trump and his wife Melania take part in a Make America Great Again welcome concert in Washington, U.S. January 19, 2017. REUTERS/Jonathan Ernst
U.S. President-elect Donald Trump and his wife Melania take part in a Make America Great Again welcome concert in Washington, U.S. January 19, 2017. REUTERS/Jonathan Ernst
U.S. President Donald Trump and first lady Melania Trump attend the Liberty Ball in honor of his inauguration in Washington, U.S. January 20, 2017. REUTERS/Jonathan Ernst
U.S. President Donald Trump and First Lady Melania Trump attend the 60th Annual Red Cross Gala at Mar-a-Lago club in Palm Beach, Florida, U.S., February 4, 2017. REUTERS/Carlos Barria TPX IMAGES OF THE DAY
U.S. President Donald Trump and First Lady Melania Trump greet a marching band as they arrive at Trump International Golf club to watch the Super Bowl LI between New England Patriots and Atlanta Falcons in West Palm Beach, Florida, U.S., February 5, 2017. REUTERS/Carlos Barria
U.S. President Donald Trump hugs his wife Melania during a "Make America Great Again" rally at Orlando Melbourne International Airport in Melbourne, Florida, U.S. February 18, 2017. REUTERS/Kevin Lamarque
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