Downey Jr. kept things light during his appearance byapologizing for some of his past behavior.

Ive been sitting on that shame for a while and Im just going to release it here tonight.

On a more serious note, he thanked fellow honoree Jon Favreau and the fans for the honor.

Disney-Legends

Credit: Kevin Mazur/Fox; Kevin Mazur/WireImage; Michael Kovac/Getty Images

Honestly its been a great gift, he said.

Christina Aguilerafirst joined the Disney family as a member of Disney ChannelsThe All New Mickey Mouse Club.

The singer has appeared on dozens of Disney television shows and specials, includingDancing with the Starsand ABCsNashvillein 2015.

Robert Downey Jr.

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Of Reflection, she said the lessons within the song have stayed with her.

So thank you to Disney for providing and continuing to give us stories and imagination and love.

I never thought of what I do as art.

Ming Na-Wen

Frazer Harrison/Getty Images

I thought it was just entertaining.

So thank you for this.

And thank you for that.

Diane Sawyeris a renowned broadcast journalist who has been part of the ABC News family for three decades.

During her speech, Sawyer said Roberts is life-giving, amazing.

Choreographer and directorKenny OrtegahelmedNewsies,Hocus Pocus, theHigh School Musicalfilms, and theDescendantsfranchise.

Today is just extraordinary.

Im officially in the club.

ComposerHans Zimmerhas provided unforgettable scores to many Disney movies, including thePirates of the Caribbeanfilms andThe Lion King.