From Good Morning America.

Wildlife conservationist, photographer and zookeeper Robert Irwin delivered an emotional contemporary routine on "Dancing with the Stars" Tuesday night, dedicating his performance to none other than his mom, Terri Irwin.

The 21-year-old even brought his mom out in the routine’s final moments, and the mother-son duo shared a hug at the end.

Terri Irwin raised her two children — Robert Irwin and his older sister Bindi Irwin, 27 — after her husband Steve Irwin died in 2006 from an injury caused by a stingray.

Robert Irwin and his pro partner Witney Carson danced to Phil Collins’ 2002 ballad "You’ll Be in My Heart" for Tuesday night’s performance, and the two earned their best score of the season so far.

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