Actress Mahira Khan has declared Yumna Zaidi as the best actress. In a Tweet, the ‘Raees’ actress said she was the biggest fan of Yumna Zaidi’s acting and tries to watch her dramas. In a response, Zaidi humbly thanked Mahira Khan. It is pertinent to mention that the ‘Hamsafar’ actress is currently busy with her upcoming film ‘Superstar’ that will be released on Eidul Azha.