Bollywood actress Katrina Kaif and rapper Badshah added colour and glamour at the wedding functions of the sons of South Africa-based businessmen brothers Ajay and Atul Gupta. Photographs obtained from a source close to entertainment consultation firm and service provider Katalyst Entertainment Pvt Ltd, which is associated with the functions, show Katrina performing along with background dancers. Celebrities like Kailash Kher and Surbhi Jyoti were also a part of the functions.Nora Fatehi and Sidharth Malhotra will also perform.