This weekend on The iHeartRadio Countdown with Mario Lopez actress Jordana Brewster will be joining us! She's starring in 'Fast 9' which is the biggest movie of the Summer so far and she has a bunch of other cool projects in the works as well! She'll be talking all about those, motherhood and much more! Plus we countdown the top 20 songs, play some throwback classics and talk about all sorts of music news as well! Tune in!