The incident took place when Knowles, 32, leaned closer to the crowd and sing with them. Suddenly a shirtless fan embraced her and pulled her off the stage, reports dailymail.co.uk.
However, Knowles bodygaurds acted swiftly and untangled her from the embrace. She continued singing and said to the fan: "It's alright".
She later asked the fan's name and concluded the performance by saying "I love you all".
Knoweles, was performing here as part of the Latin American leg of her tour, The Mrs. Carter Show in Brazil.