NBC's TODAY to Celebrate 100 Days Out from 2016 Rio Olympics, 4/27

NBC News' TODAY will mark 100 days until the start of the xxI Olympic Summer Games in Rio de Janeiro on Wednesday, April 27. Matt Lauer will talk exclusively with 22-time Olympic champion Michael Phelps who opens up about the struggles that sent him to rehab and his Olympic comeback in Rio. Additionally, Bob Costas, who will serve as NBC Olympics' primetime host for the 11th time this summer, will join TODAY live from Rio de Janeiro, Brazil.

Today will celebrate by transforming the TODAY plaza into a festive beach party featuring a live concert from "The Band Perry." The celebration will feature a parade of more than 40 Olympic athletes, including Gold Medal Gymnast Gabby Douglas, World Champion Gymnast Simone Biles, Olympic Gold Medalist and TRACK AND FIELD Star Allyson Felix and Olympic Gold Medalist Swimmer Ryan Lochte, among others. Additionally, themed activities including beach volleyball, samba dancing and Brazilian cooking, will be featured.

NBC's TODAY is the news program that informs, entertains, inspires and sets the agenda each morning for Americans. Airing live from 7 am to 11 am ET, TODAY reaches more than 5 million people every day through its broadcast, and millions more through TODAY.com, the TODAY app, and social media platforms. Matt Lauer, Savannah Guthrie, Al Roker, Natalie Morales, Willie Geist, Tamron Hall, Carson Daly, Hoda Kotb, and Kathie Lee Gifford are the anchors and hosts, Noah Oppenheim is the SVP and Executive in Charge, and Don Nash is the executive producer.