a presenter, replacing Murs and Flack, for the show's 13th series. In a statement, he said: From 2010 to 2019, O'Leary presented the National Television Awards for ITV. Since 2010, O'Leary has hosted Soccer Aid on ITV, a celebrity football match in aid of the charity Unicef. In 2011, O'Leary hosted the Saturday night entertainment show The Marriage Ref on ITV. In September 2013, O'Leary hosted BRITs Icon: Elton John, a one-off music celebration for ITV. In 2013, O'Leary presented the ITV campaign From the Heart, which encouraged viewers to consider organ donation. In January 2014, O'Leary filled in for Phillip Schofield for a week when he guest presented This Morning opposite Holly Willoughby. In 2017, O'Leary co-presented the 37th BRIT Awards with Emma Willis. In March 2017, O'Leary guest-presented nine episodes of The Nightly Show on ITV. In November 2020, it was announced that Eamonn Holmes and Ruth Langsford had been dropped from their Friday slot on This Morning after 14 years. Alison Hammond and O'Leary were announced to takeover the slot later that month. They presented their first show in January 2021. Channel 4 On 27 November 2007, it was announced that Big Brother: Celebrity Hijack was to be O'Leary's last series of Big Brother, and that he would not return in summer 2008. After seven years, he made his final Big Brother appearance on 28 January 2008. In March 2007, O'Leary signed a year-long contract with Channel 4 to appear on Hollyoaks. However, this was shortened after a series of disputes on set. Jim Rowe, a series writer at the time, said, "He couldn't follow even the simplest commands. It goes to show how vastly different presenting is to acting". O'Leary hasn't acted since. In 2009, O'Leary presented an episode of The Paul O'Grady Show, standing in for Paul O'Grady. In March 2014, O'Leary made a return to Channel 4, where he presented the Live From Space season for three consecutive nights. BBC O'Leary was a presenter for Comic Relief in 2005, 2011 and 2013. He also presented Sport Relief in 2012. In August 2006, O'Leary signed a deal to present the game show 1 vs. 100, which aired on Saturday nights on BBC One in combination with The National Lottery Draws. In May 2009, O'Leary became the presenter of Matt Lucas and David Walliams's show Rock Profile on BBC. In March 2010, O'Leary hosted a spin-off