This weekend on The iHeartRadio Countdown with Mario Lopez the New Kids on The Block will be stopping by! They just announced an incredible new tour for 2019 called The Mixtape Tour! New Kids on The Block, Naughty By Nature, Salt N Peppa and more hitting the road together. Plus they just dropped a new song called '80s Baby' which features all of the tour members! So we'll catch up with them, countdown the top 20 and more! Tune in!
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