Nelly Furtado's O Canada rendition slammed by NBA All-Star fans

Reaction on social media to singer NellyFurtado's unconventional rendition of O Canada at the NBA All-Star Game on Sunday night was swift and harsh.

• NBA All-Star Game: Nelly Furtado, Ne-Yo to sing anthems

The B.C. songstress sang a slow, melodiousversion of the national anthem, accompanied by Native AmericanflutistTony Duncan on an instrumentmade bySaskatoon's Richard Dub.

The performance drew big cheers and applause from the crowd at the Air Canada Centre.

• On mobile and can't view video? Watch here

But those watching at home and tweeting were less than impressed.CBC Toronto asked its Twitterfollowers what they thought, and the reactions were not kind.

It didn't take long before the singer was trending on Twitter for all the wrong reasons.

Though some folks still had some love for the I'm Like A Bird singer.

Before Furtadotook the stage,Ne-Yoperformed a low-key version ofthe U.S. national anthem. Later, Sting ran through a collection of his hit songs during the half-time show.