Cody Nickson and Jessica GrafCody Nickson and his "Amazing Race" partner Jessica Graf (who just made it into the final three on the show) are engaged after he popped the question during a hike in L.A.'s Runyon Canyon. And of course the big moment for the reality show couple was captured on camera.

Nickson shared the video on Twitter with the caption, "SHE SAID YES!."

Their romance first began on another reality show, last season's "Big Brother."

Nickson also shared the video on Instagram, saying: "I found my true love, I got the ring, only one thing left to do.. thank you BB for casting us so we could meet, thank you Joey Hamra @hamradiamonds in NYC for helping me design the perfect ring, thank you Lori for helping keeping it a secret since I'm with Jess every waking moment, thank you to my sisters and mom and dad for making Jess family... we are blessed."

Graf shared her own Instagram reaction, saying: "I said yes! ????On Tuesday, February 13th, my best friend asked me to marry him. He's made my dreams come true every day since we met! I love you + there's no one else in the world for me."

There could be more reasons to celebrate soon: With just two episodes left of this season of "The Amazing Race," Nickson and Graf are predicted to win, according to Gold Derby.