Malaika Arora got trolled on Instagram after she posted pictures of herself from 1998 as part of the #10YearChallenge. "Been an amazing last 10yrs, look forward to the next 10yrs," she had written. Users trolled her with comments like 'Epic usage of mathematics' and 'My maths teacher just got a heart attack', after which she changed the caption to #20YearChallenge.