Underwood told Michael Strahan that he hopes to be engaged by the end of his season.
Other Bachelor franchise alums reacted to the news as well, including Underwood's ex, Tia Booth, who wished him a season full of "protein powder, puppies, and naps", before confirming that she would not appear on his season of The Bachelor. "'Third time's a charm.' That's what they say, right?"
The 26-year-old gained attention for opening up about his virginity on Kufrin's season, where he placed fourth.
The announcement was made on Good Morning America during an interview with Underwood, and Twitter immediately had thoughts about the casting decision. He went on Bachelor in Paradise, where he had a bumpy journey that was mainly consumed by drama with Tia and their on-off relationship.
Football player Colton Underwood and Olympic gymnast Aly Raisman attend the Sports Illustrated Sportsperson of the Year Ceremony 2016 at Barclays Center of Brooklyn on December 12, 2016 in New York City.
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It remains to be seen how long Javi Gracia's third-placed side can remain among the upper echelon, but this win confirmed they are now there on merit.
When he arrived, he told Tia he wasn't fully over Becca since the pair didn't get any closure, though this was helped when she arrived in paradise to give advice to the budding couples and finally talk to Colton about sending him home in the final rounds of the show.
The show is set to premiere in January. And it was a good thing to happen because now I can take what I learned in that relationship and apply it to future relationships. Colton broke down in tears while breaking up with Tia.
First things first, ICYMI - Colton Underwood is the new Bachelor.
Ultimately, the lead doesn't matter as much as the contestants, so as long as there are some entertaining women competing for Colton's heart, this season will be fine. "He's a former football player who now runs a charity".