Lady Gaga surprises a bride in Central Park and more celebrity wedding crashers

Lady Gaga - October 2016The Joanne singer surprised a Japanese bride and groom at Central Park's Strawberry Fields. After hugging the bride and congratulating the couple, she asked them, "Want a picture? A wedding picture?" Before departing the scene, the Golden Globe winner appropriately quoted John Lennon telling the newlyweds, "All you need is love." Photo: TMS/PA PA Wire/PA Images

Tom Hanks - September 2016Tom Hanks jogged right into this New York City couple's life! The actor was taking a run through Central Park, when he noticed the bride and groom posing for a couple of shots. The Forrest Gump actor proceeded to take off his hat, jump in the photo and say – what else? – "Hi, I'm Tom Hanks." Photo: Instagram/@megmillerphotography

Tim McGraw - August 2016Philadelphia couple Lisa White and Paul Getz got the surprise of a lifetime during their wedding reception when Tim McGraw performed My Little Girl during the father-daughter dance. The country superstar showed up in his best suit and cowboy hat, and performed a few of his hits, thanks to the bride's father. During an interview with a local CBS affiliate, the groom's dad shared how surprised the newlyweds were. "They went through about one line of the song, and then right after that Lisa turns around and sees that Tim McGraw was singing to her. Everybody was spellbound in the place." The groom shared this pic with the caption, "Thank you to @TheTimMcGraw for making my wife and I's wedding night so awesome." Photo: Twitter/@getzy89

Justin Timberlake - August 2016 Chelsey Gaudet and Ryan Parks were just enjoying their first post-wedding photoshoot in New Hampshire when the Can't Stop the Feeling singer (in his best golfing attire) walked up to the newlyweds and offered them congratulations on their big day. Photo: Facebook/@Chelsey Gaudet Parks

Taylor Swift - June 2016 Taylor Swift is often a guest at weddings, but the Blank Space singer went from invitee to crasher for a special fan. After Max Smith's cousin Ali reached out to Taylor and shared that his mother recently passed away after he held a wedding in her hospital room, the pop star coordinated the surprise of a lifetime. Taylor took some fun pictures with Max and his bride Kenya before leaving them with a handmade card that read: "So it's gonna be forever." Taylor shared the pictures on her personal Instagram, one with the fun caption, "Third wheel." Photo: Instagram/@taylorswift

Serena Williams - June 2014While in Miami Beach, Serena Williams took some time away from a photoshoot to crash a newly-married couple's wedding. The tennis champ posed with Ruth and Sam Kormoi wearing a leopard bathing suit and a huge grin, captioning the pic: "Wedding crasher!! Congrats!" Photo: Instagram/@serenawilliams

President Barack Obama - October 2015You can't say no to the president! During a visit to California, President Obama decided to take in a round of golf at the Torrey Pines Golf Course in La Jolla, where Brian and Stephanie Tobe were set to tie the knot. The pair's wedding photographer convinced the pair to go down and ask POTUS for a few pics, and to their surprise, he shook hands and posed for pictures making their wedding day one for the books. Photo: theyoungrens.com

John Travolta - June 2013A Georgia couple had no idea that when they randomly ran into John Travolta the night before their wedding, he would show up and hang around for pictures. The Grease star, who was in town getting his pilot's license renewed, headed over to the couple's wedding location and took pictures with them and their guests. Photo: Reddit/Imgur.com

Steven Tyler - July 2013The veteran rockstar couldn't pass up the chance to rock this couple's wedding in Washington, D.C. The Aerosmith frontman ended up at the wedding reception of Manhattan commercial real estate broker Jeffrey Roseman and his wife Shirley Ramos. Jeffrey and Shirley were all smiles as they posed with Steven, convinced he would have been down to stay the entire evening if it wasn't for his "ornery bodyguard." Photo: Twitter/@jeffreydroseman