Bollywood actress Sonakshi Sinha, who will be seen playing role of a 'journalist' in her upcoming 'Noor', says she might perform at Justin Bieber's Purpose World Tour in May but nothing has been finalised so far. She further added that if something gets finalised, she will be happy as she really likes his music. The Grammy Award winning global pop sensation is slated to perform here in his maiden concert on May 10. There were reports that Sonakshi may join him too. The actress was talking to reporters at the launch of 'Gulabi 2.0' song from her upcoming film 'Noor'.