Jordin Sparks and Jason Derulo, one of our fave innocent couples, danced it up during a recent performance at Disneyland.  Get the deets on the cutesy Holiday special they filmed at the happiest place on Earth....

Jordin Sparks, "American Idol" winner and star of The Inevitable Defeat of Mister & Pete, hit the stage at Disneyland in Anaheim, CA yesterday in this purple rosette gown.

And the gorgeous gal was joined on stage with her long time boyfriend Jason Derulo who was there for a duet with his girl for "Baby, It's Cold Outside."

The performance was a part of the upcoming Disney Parks Christmas Day Parade TV Christmas special set to air on ABC on December 25th.

The duo copped lots of screams from their fans inside as they gave some "family friendly" affection during their duet.

We have the couple on "engagement watch" as we've drawn our own little conclusions about Jason's "Marry Me" single and Jordin's lastest love ballad "11:11 (Wish)".  Why don't they go ahead and make it official...

P.S.  Jordin has yet another movie on deck.  It's a Christmas flick on Lifetime that also stars Tatyana Ali called Dear Secret Santa.  It premieres November 30th.

Photos via Splash