The Bachelor’s Colton Underwood is giving back.The 28-year-old reality star, who was the leading man on The Bachelor's 23rd season, has donated his blood following his recovery from COVID-19, taking to Instagram on Thursday with a pair of images documenting his trip to Children’s Hospital Colorado.'I was finally able to donate my convalescent plasma/blood in hopes that it is used for patients recovering from Covid-19 and research purposes,' he said. 'It was meaningful to be able to make the donation to a hospital that has played a role in my life these last few years and is familiar to me.' Good deed:The Bachelor’s Colton Underwood, 28, has donated his blood following his recovery from COVID-19, taking to Instagram on Thursday with a pair.