iHeartRadio Countdown with Mario Lopez

iHeartRadio Countdown is a 2-hour weekend program counting down the top 20 Hot AC songs of the week.

Hosted by iHeartRadio's Mario Lopez and his wife Courtney Lopez, along with a top artist or celebrity each week, the program’s features include: Artist Pick, Mario's Throwback Track, On The Verge, iHeartRadio Now and Then, and Next Big Thing.

6:00 a.m. - 12:00 a.m. Local Time, Sunday or Saturday