United Kingdom, April 12 -- SZA has dismissed rumours linking her to Justin Bieber's Coachella performances, saying she was not involved in any contingency plans for the festival.

The 36-year-old artist, whose real name is Solana Imani Rowe, responded to speculation circulating online she had been paid to remain on standby in case Justin, 32, withdrew from his headline slot at the Coachella Valley Music and Arts Festival.

Justin performed on the festival's opening weekend and is scheduled to return for a second headline appearance, following the release of his albums SWAG and SWAG II.

Responding in an Instagram comment, SZA said about the rumour she had been paid to be a plan-B act at Coachella: "Lmao who made this up ?"

She added: "I...