Justin Bieber Just Covered Justin Timberlake at Barclays Center

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Justin Bieber performs at the 2016 Purpose World Tour at Staples Center on March 20, 2016 in Los Angeles.

As it turns out, Justin Bieber is also excited about Justin Timberlake’s comeback. Bieber showed his love for the returning pop idol by covering one of his songs overnight during his Purpose tour date at Barclays Center in Brooklyn. 

Bieber performed an acoustic version of “Cry Me a River,” lifted from JT’s debut solo Justified, from 2002.

Justin Timberlake Shares New Song Title Before Friday Release

Timberlake, of course, is planning to drop a new single, "Can't Stop the Feeling," at midnight ET.

Watch a clip of Justin taking on Justin below.