American Idol finalist David Cook struggled to hold back the tears as he looked out in the audience and saw his cancer-stricken brother Adam.

Adam Cook and his wife Kendra were flown out to LA thanks to the generosity of folks back home in Terre Haute, Indiana.  Adam who is undergoing chemo for brain cancer couldn’t take a commercial flight and that’s when family friends conspired to reunite the brothers Cook.

"We made a dream a reality," longtime Cook family friend Darrick Scott told The Tribune-Star.  "Adam wants everyone who is battling something like this to know you gotta keep fighting

As David belted out Mariah Carey‘s "You Will Always Be My Baby", he set the night afire.

"That was the best performance of the year," Judge Randy Jackson enthused.