Watch: Ed Sheeran stuns fans with 'impromptu' street performance in Melbourne

Ed Sheeran has warmed up for his upcoming shows in Dunedin in Auckland with an 'impromptu' street performance in Melbourne.

The gig was broadcast live into the iHeartRadio awards in the US.

The British singer-songerwriter is playing three shows at Auckland's Mt Smart Stadium over March 24, 25 and 26.

He then heads to Forsyth Barr Stadium in Dunedin for three shows on March 29, 31 and April 1.

Get excited NZ fans – Sheeran is heading this way. Source: Breakfast