This weekend on The iHeartRadio Countdown With Mario Lopez actresses Rachel Bilson and Melinda Clarke will be joining us! They just launched a brand new podcast all about their iconic TV show 'The OC' which they of course starred in. They are rewatching the show, talking about everything that went into the show, funny stories, behind the scenes drama and more. That is called 'Welcome To The OC' and you can listen everywhere you get podcasts. Of course Mario will be counting down the top 20 songs in the country, playing some throwback classics and more! Tune in!