"They danced and seemed to be in great spirits, having a fun time.
Hough's sister, former "DWTS" dancer Julianne Hough, said the pair are just compatible offscreen. They have so much fun together, and she's great." Derek and Nicole have moved on from the romance rumors that were plaguing them early in the season.
The Pussycat Dolls frontwoman, who dates race car driver Lewis Hamilton, shrugged off the reports when MTV News asked her about them recently.
When he began his first try at the Fly Wheels, he started off with confidence, leaping to the first and making it to the second quickly and without incident.
Yet the third wheel, which he briefly seized, sent him plummeting into the water, but he seemed undeterred has he tossed aside his blue tank top and prepared to retry.
Yet he gave it another go and surged forward to victory, American Ninja Warrior co-hosts Akbar Gbaja-Biamila and Matt Iseman commentating with brio all the while.