AceShowbiz - Beyonce Knowles has delighted fans with a surprise appearance on "Disney Family Singalong". The TV special, which was billed as a star-studded event with Ryan Seacrest as the host, was extra special with Queen Bey popping into the show on Thursday evening, April 16.

The presence of "The Lion King (2019)" star was not revealed ahead of time. The former Destiny's Child member appeared to perform the classic tune "When You Wish Upon a Star", which she dedicated the healthcare workers battling the coronavirus in America.

"Hello to all of the families across the world. I'm very proud and honored to be a part of the Disney family and to help present the 'Disney Family Singalong' in partnership with Feeding America," the 38-year-old singer greeted viewers at home, before introducing her song, "I'd like to dedicate this song to all the healthcare workers who have been working tirelessly to keep us healthy and safe. We greatly appreciate you."

After the song ended, she shared an uplifting message. "Please onto your families tight. Please be safe, don't give up hope. We're going to get through this, I promise. God bless you!" she told viewers.

Fans quickly took to Twitter to react to Beyonce's unannounced appearance, with one grateful viewer writing, "How dare they spring Beyoncé on us with absolutely no warning I'm crying." Another exclaimed, "it would only be Beyonce to appear on everyone's screens unannounced PLEASE LAMAKSKSK."

The "Disney Family Singalong" also featured Ariana Grande, Demi Lovato, Christina Aguilera, Michael Buble, Kristin Chenoweth, Luke Evans, Josh Gad, John Stamos, Darren Criss and Amber Riley among others. They each chose a classic Disney song to perform from quarantine, as viewers from home sang along. The event was aimed at raising awareness for charity Feeding America while entertaining people in their self-isolation.