Bollywood superstar Salman Khan will perform with Swedish-Greek actress Elli Avram Saturday at the grand finale of the popular reality show "Bigg Boss - Saath 7". The duo will be seen performing to the song "Mashallah", which was picturised on Salman and Katrina Kaif in the hit spy thriller "Ek Tha Tiger". Elli, who marked her Bollywood debut with Mickey Virus, was also one of the inmates of the seventh season of Bigg Boss.