By: Entertainment DeskNew Delhi | January 2, 2026 07:56 PM IST 2 min readKaun Banega Crorepati 17 finale: Amitabh Bachchan sings his hit songs in latest promo.Amitabh Bachchan will bring the curtain down on Kaun Banega Crorepati Season 17 tonight. Ahead of the grand finale, Sony LIV has released two engaging promos from the special episode. In one of the videos, the 83-year-old megastar is seen creating history by singing his classic songs non-stop for over 30 minutes. Comedian-actor Kiku Sharda also takes the hot seat during the episode.In a clip shared on Sony LIV’s YouTube channel, host Amitabh is seen singing “Rang Barse” from his film Silsila (1981). His set also included “Hori Khele Raghuveera” from Baghban, “Chalat Musafir” from Teesri Kasam, and “Mere Angne Mein” from Laawaris as well. The makers shared that the veteran actor created history by singing continuously for 32 minutes.ALSO READ | Amitabh Bachchan teases grandson Agastya Nanda for helping Simar Bhatia with her saree trail: ‘Never seen you do this’The caption of the video read, “When the finale turns into a once-in-a-lifetime moment. Catch Big B in a special surprise act on the last episode of #KaunBanegaCrorepati tonight at 9 PM on #SonyLIV.”In another video, Kiku Sharda lightened the episode with his hilarious punches. “When my teacher used to teach ABC in school, I refused and said I would only learn ‘KBC,'” he quips, leaving everyone in splits. Kiku added, “When I go to the bank, they ask me to get my KYC done, I say…” As the audience guessed, “KBC,” he joined his hands and said, “No, I say please do the KYC only.” His witty replies left the host and people laughing out loud.The description of the YouTube video read, “The last lesson of the season? Laughter comes first! Watch Kiku Sharda light up the #KBC Grand Finale tonight at 9 PM on #SonyLIV.”Recently, Amitabh Bachchan’s grandson, actor Agastya Nanda appeared on Kaun Banega Crorepati 17, along with his mother Shweta Bachchan and sister Navya Naveli Nanda. Agastya graced the show to promote his latest film Ikkis, which is also the last movie of late legend Dharmendra.Click here to follow Screen Digital on YouTube and stay updated with the latest from the world of cinema.© IE Online Media Services Pvt LtdTags:Amitabh BachchanKaun Banega Crorepati