Watch Justin Bieber and Ariana Grande Perform Together in Miami

Ariana Grande Toronto 2015

Ariana Grande in concert at the Air Canada Centre in Toronto on March 8, 2015.

Andrew Francis Wallace/Toronto Star via Getty Images

Justin Bieber has finally returned to the concert stage!

The 21-year-old pop star made a surprise appearance at Ariana Grande‘s Saturday night (March 28) concert at Miami’s American Airlines Arena — and the crowd obviously went nuts.

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Bieber joined Grande for several songs, including her My Everything track “Love Me Harder,” during which he sang The Weeknd‘s part. The pair sounded fantastic together despite Bieber forgetting some of the lyrics.

Watch the crowd go absolutely wild when Bieber jumps on stage in the videos below.

The two pop superstars also performed Bieber’s “All That Matters,” from his 2013 album Journals, and “As Long As You Love Me.” During the latter, Grande rapped the verse by her boyfriend Big Sean.

Grande’s Honeymoon Tour continues to visit North American arenas through mid-April, and then she’ll head to Europe for more dates through June. Bieber, meanwhile, has been confirmed to headline the Fusion Festival in Birmingham’s Cofton Park this August.