Estelle Lends Gym Class Heroes Her Stereo Heart On The ‘Tonight Show’

Both Gym Class Heroes and Maroon 5 were in attendance at yesterday’s Google Music launch party, but M5 frontman Adam Levine must have had other obligations when it came time for Travie McCoy and the gang to hit up the Tonight Show to perform “Stereo Hearts”. Instead, GCH turned to “Thank You” songstress Estelle for some assistance with the chorus of their current Top 10 single. Watch this new musical pair-up below.

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