Their 35-show 'All the Hits Tour' kicks off in March and stops at the Viejas Arena on May 8.
Tickets go on sale Saturday, Dec. 17 on the Live Nation website.
Richie got his start with The Commodores and launched his solo career in the early ’80s. He is known for mega-hits such as “Endless Love,” “Lady,” “All Night Long,” “Hello,” and “Say You, Say Me,” amongst many others.
Carey is the best-selling female artist of all time with hits like “Fantasy,” “Hero,” and “We Belong Together.” Her duet with Boyz II Men, “One Sweet Day,” spent a record 16 weeks on the Billboard charts and remains the longest-running No. 1 song in history.
Lionel Richie & Mariah Carey 'All the Hits Tour'
March 15 - Baltimore, MD @ Royal Farms Arena
March 17 - Newark, NJ @ Prudential Center
March 18 - Philadelphia, PA @ Wells Fargo Center
March 21 - Pittsburgh, PA @ PPG Paints Arena
March 24 - St. Paul, MN @ Xcel Energy Center
March 25 - Chicago, IL @ United Center
March 28 - Grand Rapids, MI @ Van Andel Arena
March 30 - Toronto, ON @ Air Canada Centre
April 1 - New York, NY @ Madison Square Garden
April 5 - Cleveland, OH @ Quicken Loans Arena
April 7 - Boston, MA @ TD Garden
April 8 - Uniondale, NY @ Nassau Coliseum
April 11 - Detroit, MI @ The Palace of Auburn Hills
April 14 - Columbus, OH @ Schottenstein Center
April 16 - Kansas City, MO @ Sprint Center
April 18 - St. Louis, MO @ Scottrade Center
April 21 - Tulsa, OK @ BOK Center
April 23 - Denver, CO @ Pepsi Center
April 25 - Salt Lake City, UT @ Vivint Smart Home Arena
April 27 - Vancouver, BC @ Rogers Arena
April 28 - Seattle, WA @ Key Arena
April 30 - Oakland, CA @ Oracle Arena
May 2 - Sacramento, CA @ Golden 1 Center
May 5 & 6 - Los Angeles, CA @ Hollywood Bowl
May 8 - San Diego, CA @ Viejas Arena
May 10 - Anaheim, CA @ Honda Center
May 13 - Houston, TX @ Toyota Center
May 15 - Dallas, TX @ American Airlines Center
May 18 - New Orleans, LA @ Smoothie King Center
May 20 - Nashville, TN @ Bridgestone Arena
May 21 - Charlotte, NC @ Spectrum Center
May 24 - Atlanta, GA @ Philips Arena
May 26 - Tampa, FL @ Amalie Arena
May 27 - Fort Lauderdale, FL @ BB&T Center