VIDEO: Josh Gad Makes Surprise Appearance; Performs at D23 Expo!

Frozen star Josh Gad and his character Olaf performed their song "In Summer" on stage at the FROZEN FANdemonium event at D23 Expo 2015. Later Anna, Elsa, Olaf, and Kristoff joined FROZEN Oscar-winning songwriters Robert and Kristen Lopez for a performance finale of "Let It Go".

The event marked the first public performance of multiple cut songs from the film. Check out the performances below!

ABOUT "FROZEN"

"Frozen" won two Academy Awards® (best animated film and best original song with "Let It Go") and a Golden Globe® (best animated feature film). It is the fifth highest grossing film of all time and the highest grossing animated film earning more than $1.27 billion globally. Released wide domestically on Nov. 27, 2013, "Frozen" posted the No. 1 industry all-time THANKSGIVING debut and Walt Disney Animation Studios' biggest opening ever. The film's Feb. 25 digital debut was the biggest digital release (sell-through) ever; it's Blu-ray/DVD release on March 18 was No. 1 on the Nielsen overall disc charts for eight nonconsecutive weeks.

The "Frozen" soundtrack is the top-selling album of 2014 to date and spent 33 weeks in the top 5 on the Billboard 200 chart, including 13 weeks at No. 1. It is certified triple Platinum, selling more than 3.6 million units. The "Let It Go" film clip from "Frozen" has been viewed over 370 million times on YouTube. Topping the National Retail Federation's Hot Holiday Toys survey, "Frozen" product popularity continues to soar: more than 3 million role-play dresses have been sold in NORTH AMERICA alone, the "Disney Karaoke: Frozen" app reached No.1 on the iPad Entertainment Downloads category in more than 100 countries, and Random House's "Frozen: The Junior Novelization" has been on the New York Times best sellers list for 41 weeks.