Washington DC, March 14 -- Actor and singer Keke Palmer had an unexpected moment on stage at the South by Southwest (SXSW) when a fan rushed forward and proposed marriage during a live podcast recording, according to Variety.

Palmer was hosting a live episode of her podcast 'Baby, This Is Keke Palmer' with her 'I Love Boosters' co-stars, including Demi Moore, Naomi Ackie, Taylour Paige, Poppy Liu and Eiza Gonzalez, when the incident took place. According to reports, a man approached the stage, knelt down and opened a ring box while proposing to Palmer, leaving the actor visibly stunned as her co-stars reacted with a mix of shock and laughter, as per Variety.

"I can't marry you. I don't know you. I'm so sorry. I'm so sorry, sir," Palmer ...