Entertainment TV Aly Raisman's Ex-Boyfriend Is Competing for Becca Kufrin's Heart on 'The Bachelorette' Aly Raisman and Colton Underwood broke up in June 2017 after six months of dating By Karen Mizoguchi Published on May 28, 2018 09:10 PM Share Tweet Pin Email If one Bachelorette contestant looked familiar on Monday’s premiere, it may be because he has one very famous ex. Colton Underwood made his Bachelorette debut on season 13 and many viewers and fans noticed he was the same guy who previously dated Olympic gymnast Aly Raisman. It all started when Raisman, 24, agreed to go on a double date with the former Raiders tight end in August 2016 after his former teammate Andrew East, who is married to fellow Olympic gymnast Shawn Johnson, introduced them. Becca Kufrin Recalls Her ‘Crazy’ First Night as the Bachelorette — and All the ‘Wild Entrances’ Noel Vasquez/Getty After five months, Underwood, 26, and the gold medal-winning athlete made their relationship official in December 2016 when they made their red carpet debut as a couple at the Sports Illustrated Sportsperson of the Year Ceremony in New York. Want to keep up on the latest from PEOPLE? Sign up for our daily newsletter to get our best stories of the day delivered straight to your inbox. The pair then took their under-the-radar romance to the Golden Globe Awards in January 2017. “He’s just a very thoughtful person,” Raisman previously told PEOPLE of Underwood. Meet All the Men Competing for Becca Kufrin’s Heart Twitter was shocked to rediscover Raisman and Underwood’s relationship. “I knew Colton looked familiar,” one fan wrote while watching The Bachelorette. Even comedian Michelle Collins was surprised to find out about Underwood’s famous ex. “Omg,” she responded to a fan. Will The Bachelor‘s Arie and Lauren Watch His Ex Becca’s Season of The Bachelorette? Paul Hebert/ABC In June 2017, Underwood told The Lincoln Journal Star that he and Raisman had broke up. RELATED VIDEO: The Bachelorette’s Becca Kufrin is Engaged: “It Was the Happiest Moment of My Life!” “We’re taking a break right now. We’re still good friends and talk, but all that travel had been a nightmare,” he said of their busy work schedules. “It ended fine. We’re in a good place,” Underwood explained, adding that the attention they garnered from the Internet “put a lot of pressure on us” but that they “had fun with it.” The new season of The Bachelorette premieres tonight, Monday, May 28, at 8 P.M. ET on ABC.