M&M'S is celebrating the 25th anniversary of its M&M'S Las Vegas store. 

First opened in 1997, M&M'S Las Vegas is on the storied Las Vegas strip and has served 100 million people since becoming a destination in the city. Like all M&M'S stores around the world, the Las Vegas location offers visitors immersive in-store experiences that give M&M'S fans the chance to connect with the brand in fun, colorful ways.

"Mars' M&M'S brand is committed to creating a world where everyone feels they belong,” said Danny Pooni, global retail operations director, Mars Retail Group. “For a quarter century, the M&M'S Las Vegas store has welcomed over 100 million fans from all over the world since the store first opened its doors. Mars continues to deliver moments of everyday happiness to consumers through the M&M'S brand, and we're thrilled to celebrate this milestone with our guests."

To mark the occasion the M&M'S brand is inviting guests to share their favorite M&M'S Las Vegas experiences on Twitter, for the chance to win one of 25 M&M'S Las Vegas prize packs. Fans will be automatically entered by tagging @MMSChocolate and using the hashtag #MMSLV25Sweeps in their posts on Twitter through Saturday, Nov. 12.

In addition to M&M'S Las Vegas, M&M'S has six other locations around the world, including Berlin, Disney Springs, London, Mall of America, New York and Shanghai.